DLA MIL-C-8021 D-1971 CLOTH PARACHUTE NYLON CARGO AND DECELERATION《货物减速尼龙伞布》.pdf

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1、MIL-C-802LD 83 7779706 0375857 O - :.:IL-c-oc CLOTK , PAFiACIiTE , NYLOS, CARGO AX3 DECELP weight Type II - 7.00 ounces per square yard, maximum weight Type IIk - 10.50 ounces per square yard, maximum weight Type III - 14.00 ounces per square ,yard, maximum weight Class 1 Class 2 - - Air permeabilit

2、y tested at 1/2 inch water pressure. Air permeability teste at 20 inches water pressure. 2. APPLICABLE wcwms 2.1 The following documents of the issue in effect on date of invitation for bids or request for gropocal, fom a part of this specification to the extent specified herein, SPEC IFI CAT I OiJS

3、 Federal FTP-P-1133 . STUDARDS Federal FED-STD-191 HIL-STD-10 5 ML-STD-851 Packaging And Packing Of Synthetic Fiber Fabrics Textile Test Nethods Saqling Procedures AnCi lables For Inspection By Attributes Coding : Manufacturer s Color, Iiylon Parachute Cloth (Copies of specifications , standards, dr

4、awings , and publications required by suppliers in connection with specific procurement functions should be obtained from the procuring acJivity or as directed by the contracting officer. Q FSC 8305 i) - fi Licensed by Information Handling ServicesMIL-C-802LD 83 7777706 0375858 2 KIL-C-OD 2.2 Other

5、publications. The following document forms a part of this specifi- cation to the extent specified herein. Unless,otherwise indicated, the issue in effect on date of invitation for bids or request for proposal shall apply. Rules and Regulations Under the Textile Fiber Products Identification Act (App

6、lication for copies should be addressed to the Federal Trade Commission, Washington DC 20580. ) 3.1 Standard sample. The finished cloth shall match the standard sample for shade and shall be equal to or better than the standard smple with respect to all characteristics for which the standard sample

7、is referenced (see 6.3). * 3.2 Xaterial. The nylon yarn used in the manufacture of all t:Tes and classes of parachute cloth shall be a bright, high tenacity, light and heat resistant, polyamide prepare6 from hexamethylene diamine and adipic acid or its derivstives. It shall have a melting point of 2

8、54 +loo Centigrade (C) when tested in accordance with 4.2.4.2. manner or process. The yarn shall not be bleached in any 3.3 Weave. * 3.3.1 ! value of the finished cloth shall be Kithin the range of 5.0 to 9.0 when tcted as specified in 4.2.4. 3.4.4 Color. 3.4.4,i Color matching. under natural (north

9、 sky) daylight or artificial daylight havinp a color teniperature of 7500 Kelvin and shall be a good approximation to the star,dard shade under incandescent lmplight at 2800 Kelvin. Unless otherwise sgecified, the color shall be natural (see 6.2). The color shall match the approved standard shae d 4

10、 Licensed by Information Handling ServicesNIL-C-BO23D 83 m 7777706 0375863 2 m . MIGC-8021D 3.4.4.2 Colorfastness. finished cloth shall show colorfastness equal to or better than the standard saqle with resgect to light, dry cleaning and laundering. a standard canple is not available, the dyed and f

11、inished fabric shall show “good“ fastness to these same properties when tested as specified in 4.2.4. 3.4.5 Dimensions. 3.4.5.1 Width. cloth shall be 36.5 S0.5 inches (see 6.2). .When a standard sample is available, the dyed and In the evect that tJnless otherwise specified, the overall width of the

12、 finished * 3.4.5.2 Length and put-un. Unless otherwise specified, the cloth chail be in continuous pieces, each not less than 50 yards. The pieces shall be put-up on rolls as specified in PPP-P-1133 (see 6.2). accordance Kith the following schedule: Shmter cuts may be incLUcied in 75 percent of tot

13、al yardage in cuts 50 to i50 yards. 15 percent of total yardage in cuts 25 to 50 yards. 10 percent of total yardage in cuts 15 to 25 yards. if 3.4.6 Light and heat resistant. The cloth shall not lose nore than 25 percent of the original strength when tested in accordance with 4.2,4. 3.5 Fiber identi

14、fication. invoiced for fiber content io accordance with the rules and regulations under the Textile Fiber Products Identification Act (see 4.2.2.1.2). Each piece shall be labeled or ticketed, and 3.6 Manufacturers (weavers) identification. Colored threads shall be woven into the selvage edges of the

15、 cloth to identify the weaver of the cloth to the procuring activity. The dye used in the Karker threads shall have no deleterious effect on the physica properties of the thread and the dyed threa shall show no bleeding or color transfer when subjected to the tests for laundering and aiy cleaning as

16、 Specified in 4.2.1. The color used shell be those indicated in XIL-ETD-85l. * 3.7 Identification of product. Each roll of finished cloth shall be marked for identification in accorance with PPP-P-1133. In addition, each Fiece of cloth in each roll shall be clearly and legibly marked with the finish

17、ers roll number or code, and each roll shall have attached a durable tag on which the finishers roll nurrber or code is listed. The date of manufacture of the cloth snall be included on the tag attached to each roll. * 3.7.1 for inspection. Unless otherwise specified in the contract or purchase orde

18、r, the supplier is ressonsible for the performance of all inspection requirements as Specified herein. the contract or order, the supplier may use his own or any other facili5ies Except as otherwise Specified ir, ,A- :i i= :i - , ,I -;.! 7 - .-a . -,:i -. 1. i 5 Licensed by Information Handling Serv

19、icesMIL-c- 802 1 MIL-C-BOZLD 3 m 7779706 03758b2 4 W . unless disayprove by the Governrent. The Government reserves the right to perform any of the inspections set forth in the specification where such inspections are deer,eC necessary to assure supplies and services conforni to prescribed requireme

20、nts. * 4.1.1 -Certificates of coxpliance. The supplier shall silbxt certificates of con;pliance for the following characteristics. Characteristic Reacirement ParegraDh Yam tenacity 3.2 Yarn not bleache 3.2 Yarn luster 3-2 Manufacturers (weavers) identification 3.6 Age of cloth 3.7.1 Cloth not bleach

21、ed 3.8 4.2 Inspection for acceptance. with ML-STD-105, except where otherwise indicated herein. Sanqling for inspection shall be in accordance * 4.2.1 Testing of componentis. The components Iisted in Takle II shall be tested for the characteristics specified in accordance with the referenced test me

22、thod of FED-STD-191. The lot size shall be all the components offered for acceptance at one tine and shall be expressed in units of one cone, tuje or spool each. Inspection level chail be S-1 and the acceptable quality level shall be 4.0 test failures per 100 units. The sample unit shall be one cone

23、, tube or spool. TBLE: II - Components and Materials Coniponent warp and filling Yarn Ident if i- cation yarns Character ist ic Melting point Color fastness to laundering Color fastness to dry cleaning Melting point _L Rqnt Fara I_ 3.2 3.6 3.6 - -I_- Test Kethod 1534 of FED-STD- 191 5614 of FED-STD-

24、 191 5620 of FED-STD- 191 i534 of FED-STD- 191 Lo. Determina- ,ions per Indv. fnit 01 Product 2 1 1 2 Results Re-orted Avg of 2 determina- tions to nearest degree centierade -i. Good Good To nearest degree centigrade 6 Licensed by Information Handling Services4.2.2 Examination of product. 4.2.2.1 Ya

25、rd-Dy-yard exazination. A sufficient number of rolls shall be selected at rancioz; from an inspection lot sothat the reqcired sam?le ywdage will be obtained by inspectin6 approximately 25 consecutive yards out of each sample roll. visual defects classified as listed in Table III. accordance with ins

26、pectior, level III of MIL-STD-105. level expressed in defects per 100 units (yards) shall be 2.5 for major defects and 10 for total defects. each. increment of 1 yard on the measuring device of the inspection machine). Lhe required yardage of each piece shall be exaTinei and the The saqle size shall

27、 he ir! The accertable quality The lot size shall be expressed in units of 1 yard The unit of product for this examination shall be 1 linear yard (i.e., * 4.2.2.1.1 Flaggina of defects. Each major defect shall be flagged by e, red string sewn in the selvage. red string sewn intoethe selvage for each

28、 yard containing the defect. A continuous defect shall be flagged by a sbgle 4.2.2.1.2 fication Act. Exanination for compliance with the Textile Fiber Products Identi- During the yard-by-yard examination each roll shall be examined for fiber ientificatioc. in the sampl are not labeled in accordance

29、with the rules end regulations under the Textile Fiber Products Identification Act. The lot shall be unacceptable if two or more rolls 4.2.2.2 Overall exmination. Wring the yard-by-yard examination, each piece shall be exwined for overall defects. examination shall be one piece. piece contain any of

30、 the following defects, the lot reyesented shall be rejected : The unit of product for overall Each piece shall be exa3ined and, should an2 a. Objectionable odor b. Uncleanliness throughout c. Uneven yeing, shadiness, spottinesc, poor penetration of dye d. Unever. weaving e. Identification yarns mis

31、placed, missing or wrong color 4.2.2.3 Exaiination for length. * 4.2.2.3.1 Individual rolls. During the yard-by-yard examination, each roll shall be exazined for length. riniouz specified, or more than two yards below the length mrkeh on the ticket, shall be consiered a defect with respect to length

32、. The lot shall be unaccept- able if two or nore rolls in a sm2le are defective with respect to length. 4.2.2.5.2 The lot shsll be unacceptable if the totel of the actual lengths of roll exwined is less than the total of the lesgthc marked on the ticket. hy roll length foun to be lecc than the Total

33、 ;fardage 4.2.3 finished nylon cloth of one type, nade under essentially the same conditions m presented for inspection at the same time. The lot size shall be e-ressed in units of one (1) yard. The sample unit shall be 4 continuous yards, full with of the finished cloth. The sanple size shall be in

34、 accordance with level S-2 of XIL-STD-105. The acceptable quality level shall be 1.5 percent defec- tive. acceptance nunber O, and lots 3,201 to 10,000 yards, the saq-le size shall be 5, acceptance nunberA. Samples for testing of end itet. An inspection lot will cor,sist of the Except for lot sizes

35、up to 3,200 yards, the sample size shall be 3, 7 Licensed by Information Handling ServicesDefect by multiple float 3/16 inch square or :or e Single floats 1/4 inch or more in ler,gth 2ontiguous floats or pin floats g/ the sequence of which measures 1 inch or nore in length h-z mitipe float UI, to 3/

36、16 inch .quare Single floats up to 1/4 inch in lengths :ontiguous floats or pin floats g/ :fie sequence of which measures less than 1 inch in length Abrasion mark Biased filling Boxea filling Broken or missing end Broken or missing pick Coarse filling bar Crease Cut, hole or tear Distortion or slipp

37、age of threads Fine filling bar, thin or light place or light set mark Floats or skigs MIL-C-8OZLD 3 m 7779706 03758611 8 TBLE III - Classification of Defects Description Any abrasion mark showing fuzziness More than 2 inches from horizontal at greatest point of bias - Filling bow more than 2 inches

38、 in height (as measured from a straight line cord to highest point of arc). Two or more contiguous regardless of length Single, more than 18 inches missing Single, 18 inches or less missing Two or more contiguous regardless of length One pick full width Clearly noticeable L/ and extending ;ar nore t

39、han 1 inch in the length direction of the cloth Clearly noticeable L/ and extending for 1 inch or less in the length direction o the cloth iiard, enbedded crease t. t Any distortion or slipp ge of warp or filling threads that cannot readily be reset bjr hand I kjr clearly notcieable L/ fine filling

40、bar, thin or light place, or light set aark . - Majo: - X X X X x x I X X x X X X x x - I Licensed by Information Handling ServicesMIL-C-OZLD 3 9999906 0375865 T TAELE III: - Classification OF Defects (CoEtt) I 3efect iieavy fillinE bar or heavy place Hit chback (warp catch) Jerked-in filling or slo

41、ugh-of f Loo,s, kirikc, or snarls (except selvage ) 1Yspick or double 2ick Xi. s weave Pick-out =ark Pinholes or yarn de format ions Selvage cut broken, torn, or scalopeci Selvage slack or k=vY -C. - Description Over 1/8 inch in width and vaq?inE 111 percent or more from riormal pick count Over 1/2

42、inch in width and varying less t3an 13 percent frox normal pick count Sne-eightk inch or less in width and vaqrirg 10 percent or ciore from noma1 pick count Clne-half inch or less in viath and var;ir,z less than 10 percent from norxml pick com-t Sesulting in a thin place 3/8 inch or mor( in conbined

43、 wars and filling direction Ywo or more additional yarns in the shed he additional yarn in the shed IIOTE: One-half inch or less shall not be consideres a defect. All over 1/8 inch long “hree or nore (in any linear yard) U- to 1/8 inch in lenzth Up to 2 (in any linear yard) i/8 inch or less in lengt

44、h Three or more additional gicks in the she: Two Picks Pzttern not conforzing to specified weave Resulting in a clearly noticeable I.-/ thin or thick place Cver 6 r.ir.holes or yarn defornat2on.s occurring within aE area equal to 8, 6-irich 6im:eter circle Yhree to six Finholes or yarn deforn.ation5

45、 occurrfr,g within an zrea equal to a ;I9 TAELE III - Classification of aefects (Costd) Defect Selvage stringy or loopy Selvage tight Slubs or strip back 3/ Smash Spot, stain or streak (not applicable to dye streaks) Weak place 51! i released Nore than 5 over /4 inch in length Two up to and includin

46、g 5 over 1/2 inch in length . One over 1 inch in lenfih Five or less over 1/4 inch but not exceeding 1/2 inch in leneth One over 1/2 inch but not exceedinc 1 inch in length Any smash Single ends or picks 15 inches or more in length Doub2-e ends or picks 8 nches or more in length Over 2 enGs or picks

47、 5 inches or more in length or a clearly noticeable IJ area more than 1/4 square inch in area, whichever is greater Cingle ends or picks 2-1/2 inches up to i5 inches in length Double ends or picks 2-1/2 inches u? to 8 inches in length Over 2 ends or picks less than 5 inches in length or a clearljj n

48、oticeable aree L/ 1/4 square inch or leso in area, whichever is greater ;U;T weak -lace Beyond specified toleraqces Iiesultinc in a clearly visible : Single pin floats sball not be considered a defect. prz forriin2 an enlarged area resembling a club. 10 Licensed by Information Handling ServicesMIL-C

49、-8OZLD 83 M 9999906 0375867 3 M - 4.2.4 FES-STD-191, wherever applicable, as listed in Table IV, and as specified in 4.2.4.1 through 4.2.4.3, shall be followe. specified in Section 3 apply to the average of detemdnations made on a unit of product for test purposes as specified in the applica5le test methods. Testing of the end itern. The methods of testing s-ecified in The physical and chenical values 4.2.4.1 Perrranence of finish. shall be prepare. be marked on each specimen.