ARMY MIL-P-38199 B-1971 PAD PARACHUTE HARNESS QUICK RELEASE《降落伞背带快拆衬垫》.pdf
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1、MIL-P-3L77B 16 W 7777706 0375433 E W E mL-P-38199B 2 December 1971 SUPERSEDING MIL-P-3819 9A 14 April 1966 MILITARY SPECIFICATION PAD, PARACHUTE “ESS, QUICK RELEASE This specification is mandatory for use by all Departments and Agencies of the Department of Defense. 1.1 This specifleation covers one
2、 type of pad, abricated of leather, felt and nylon fabric, wed with the parachutists harness quick release. 2. APPLICABLE WCUMIINTS 2.1 The following documents, of the issue in effect on date of invi- tation for bids or request for proposal, form a part of this specification to the extent specified
3、herein. SPECIFICATIONS FEDERAL * * , PPP-B-26 - Bag, Plastic, Polyethylene PPP-B-566 - Boxes, Folding, Paperboard PPP-B-601 - Boxes, Wood, Cleated Plywood PPP-B-636 - Boxes, Shipping, Fiberboard PPP-B-676 - Boxes, Setup STANDARDS MILITARY MIL-STD-105 - Sampling Procedures and Tables for Inspection b
4、y Attributes MIL-STD-129 - Marking for Shipment and Storage DRAWINGS USAF 44B9637 - Pad, Assembly - Parachute Harness, Quick Release FSC 1670 A Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-KtL-P-38199B (Miniature copies of sheets 1 and 2 of WAF Dr
5、awing 44B9637, identified as figures 3. and 2, are attached for information only). (Copies of specifications, standards and drawings required by suppliers in connection with apecific procurement functions should be obtained from the procuring activity or as directed by the contracting officer.) * 2.
6、2 Other publications.- The following documents form a part of this speci- fication to the extent specified herein. Unless a specific issue is identified, the issue in effect on date of invitation for bids or request for proposal shall Wd-Y Natfonal Motor Breiaht Traffic Association, Inc., Aqent Nati
7、onal Motor Freight Classification (Application for copies should be addressed to the American Trucking Associa- tions, Inc., Tariff Order Section, 1616 P Street, N.W., Washington, D.C. 20036.) Uniform Classification Committee, Agent Uni f o w Freight Clas si fi cation (Application for copies should
8、be addressed to the Uniform Classification Committee, Room 202, Union Station, 516 W. Jackson Blvd., Chicago, Illinois 60606 .) 3. REQUIREMENTS * 3.1 First article.- When specified, the supplier shall furnish a sample for first article inspection and approval (see 4.2, 6.2 and 6.3). 3.2 Materials.-
9、Materials shall conform to the requirements specified on USAF Drawing 44B9637 and to subsidiary specifications, standards and drawings applicable thereto. 3.3 Construction.- Construciton details shall be in accordance with the requirements specified on USAF Drawing 44B9637. 3.3.1 Machine stitching.-
10、 Thread breaks, bobbin runouts, or two or more consecutive skipped stitches shall be over-stitched not less than 1/2 inch beyond ends of defect. quired stitch pattern. be no loose stitching and the locks will be imbedded in the materials sewed. All thread ends shall be trimmed. Runoffs shall be rest
11、itched to conform to the re- Thread tension shall be maintained so that there will 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-38397B 3b 777970b 0375433 b I MIL-P-38199B 3.4 Workmanship.- aie workmanship shall conform to the quality estab
12、- lished by this Specification. 4. QUALITY ASSURANCE PROVISIONS * 4.1 Responsibility for inspection.- Unless otherwise specified in the contract or purchase order, the supplier is responsible for the performance of all inspection requirements as specified herein. Except as otherwise specified in the
13、 contract or order, the supplier my use his own or any other facilities suitable for the performance of the inspection requirements speci- fied herein, unless disapproved by the Government. The Government reserves the right to perform any of theinspections set forth in the specification where euch i
14、nspections are deemed necessary to assure supplies and services conform to prescribed requirements. 4.1.1 Inspection.- Sampling for inspection shall be performed in accordance with ML-STD-105, except where otherwiseindicated hereinafter. * 4.2 First article inspection.- When required (see 6.2), insp
15、ection of the first article shall be made of a completely fabricated item for all provisions of this document applicable to end item inspection. 4.3 Material and component inspection.- In accordance with 4.1 above, niaterials and components shall be inspected in accordance with all the requirements
16、of referenced specifications, standards and drawings, unless otherwise excluded, mended, modified or qualified in this specification or applicable purchase document. 4.3.1 In-process inspection.- Inspection shall be made of components and subassemblies at appropriate stages of fabrication to determi
17、ne con- formance to the requirements of this document. right to exclude from consideration for acceptance any materials or com- ponents for which in-process inspection has indicated non-conformance. The Government reserves the * 4.4 Inspection of the end item.- Lots shall be expressed in units of pa
18、ds. * 4.4.1 Inspection levels and acceptable quality levels (AQLs) .- Inspection levels and AQLs, expressed in defects per hundred units, shall be as follows: For examination in 4.4.2 For examinat ion in 4.4.3 For examination in 4.4.4 Inspection levels II s-3 s-2 AQLs 2.5 - Major 6.5 - Total 2.5 - O
19、ne class 4.0 - One class Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-4.4.2 Examination of visual. characteristics.- The sample mit for this examination shall be one complete pad assembly. Characteristics to be ex- amined and classification of def
20、ects shall be.as follows: Classification Mal or Minor Examine Defect Materiale Stitches and stitching NOTE: Component not speciified color Component net ffnished as speeified Component Pnissbng, not assembled or joined as specified X Not type of stitch specified X Stitch pattern not as speciffed One
21、 stitch less than minimum specified Two stitches less than minimum One or mre stitches in excess of the specified X maximum specified Variation in number of stitches per inch, caused by the operator speeding up the machine or pulling the material in order to sew aver heavy places, heavy ses- or in t
22、urning corners, shall be classi- fied as follows: (a) Within the major defect classification - Minor defect. (b) Within the minor defect classification - No defect. Thread breaks , bobbin runouts, or two or more consecutive skipped stitches not overstiched a mini- num of 1/2 inch minimum of 1/2 inch
23、 Ends of stitching not backstitched a 4 5- X X X X X X X Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-38L77B Lb = 77777Ob OL754L5 T m I C1 as s i fi cat ion Defect Major Minor Examine Stitches and stitching (cont d) Leather Webbing and cloth
24、 Thread Cementing Cleanness Hardware Loose tension, resulting in loosely ex- posed top or bobbin thread; or tight tension resulting in tightness or puck- ering of material at stitch line Thread ends not trimed throughout Any row of stitching dssrbing Needle chews Stitching run off at edge and not re
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- ARMYMILP38199B1971PADPARACHUTEHARNESSQUICKRELEASE 降落伞 背带 衬垫 PDF

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