ARMY MIL-P-46994 B-1982 PELLETS GRANULES BORON POTASSIUM NITRATE《颗粒 硼颗粒 硝酸钾》.pdf
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1、MIL-P-qb77qB L3 W 77777b 0335205 “ 7 4 January 1982 SUPERSEDING (See 6.8) MILITARY SPECIFICATION PELLETS/GRANULES BORON/POTASSIUM NITRATE This Specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers seven (7) types
2、 of igniter pellets/granules for use in rocket motors and fuzes. (see 6.8) 1.2 Classification. Igniter pellets/granules covered by this specification shall be of the following types and classes, as specified (see Tables III and IV): Type I - Cylindrical Type II - B1 - Convex Type III - Modified Cyli
3、ndrical Type IV - As per Drawing 9234458 or Drawing 9311312 (see 2.1) Type V - As per Drawing 657421 (See 2.1 and 6.8) Class 1. Crush Strength: Axial 18,5009, Radial 18,OOOg Class 2. Crush Strength: Axial 7,50g, Radial 7,5009 Class 3. Crush Strength: Axial 3,0009, Radial 2,0009 Type VI - As per Draw
4、ing SK445983 (See 2.1) Type VII - Oblate Spheroid Granules Class 1. 5% max. retained on USS Sieve No. 50 Class 2. 5% max. retained on USS Sieve No. 60 Class 3. 5% max. retained on USS Sieve No. 100 FSC: 1375 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IH
5、S-,-,-2. APPLICABLE DOCUMENTS 2.1 Issue of documents. The following documents of the issue in effect on date of invitation for bids or request for proposal, form a part of this specification to the extent “ specified herein.- SPECIFICATIONS FEDERAL RR-S-366 PPP-C-96 PPP-B-636 MILITARY MIL-P-116 MIL-
6、B-L31 MIL-P-156 MIL-R-7575 MIL-B-51092 MIL-P-81351 MIL-P-82646 MIL-B-82647 MIL-B-117 MIL-BV-2427 STANDARDS MILITARY MIL-STD-105 MIL-STD-109 MIL-STD-129 MIL-STD-286 MIL-STD-1168 MIL-STD-l218 MIL-STD-l233 ,3 c;* c 1 “ Ca“-. ;i. - Sieve, Test - Cans, Metal, 28 Gauge and Lighter - Boxes, Shipping, Fiber
7、board - Preserva tion, Packaging Method of - Barrier Material, Greaseproofed, - Potassium Nitrate - Resin, Polyester Low Pressure - Boron, Amorphous, Powder - Peroxide, Methyl Ethyl Ketone - Plastic Film, Conductive Heat- - Bag, Plastic, Conductive Heat- - Bags, Sleeves, and Tubing - Interior - Box,
8、 Ammunition Packing: Wood, Waterproofed, Flexible Laminating Sealable, Flexible Sealable, Flexible Packaging Nailed - Sampling Procedures and Tables for Inspection by Attributes. - Quality Assurance Terms and Definitions - Marking for Shfpment and Storage - Propellants, Solid: Sampling, Examination
9、and Testing - Lot Numbering of Ammunition - ACS Chemicals - Procedures for Determining ,Pa.$.tic.le.S.iz, ,i,.t.ic.le Size of Powdered Material. Distribiorl-AaP4ked Density a Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-46994B DRAWINGS ARMY
10、9234458 Pellets, Ignition 9311312 Pellet NAVY .657421 Pellet, Boron Potassium Nitrate (Type I) SK445983 2-D Ignition Grain (Copies of specifications, standards, drawings and publications required by contractors in connection with specific procurement functions should be obtained from the procuring a
11、ctivity or as directed by the contracting officer.) 2.2 Other-publications. The following document forms a part of this specification of the extent specified herein. Unless otherwise indicated, the issue in effect on date of invitation for bids shall apply. CODE OF FEDERAL REGULATIONS, TITLE 49, TRA
12、NSPORTATION PARTS 100-199. (The Code of Federal Regulations is available from the Superintendent of Documents, U.S. Government Printing Office, Washington, D.C. 20402.) Orders should specify “49 CFR 100-199“ (latest revision). ASTM-E11 - Testing Sieves and Their Uses AST“D2905 - Statements of Number
13、 of Specimens Required to Determine the Average Quality of a Textile Material (Application for copies should be addressed to the American Society for Testing and Materials, 1916 Race Street, Phila- delphia, PA 19013). (Technical society and technical association specifications and standards are gene
14、rally available for reference from libraries. They are also distributed among technical groups and using Federal agencies.) 3. REQUIREMENTS 3.1 Composition. 3.1.1 Material The constituent materials used in the manufacture of the igniter pellet shall comply with the following requirements: 3 7 Provid
15、ed by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-flIL-P-qb97qB 23 977790b 0335208 4- = MIL-P-46994B Constituent Material Conforming to: Potassium Nitrate MIL-P-156 except par ticle size shall be 15 microns maximum (max.) (see 6.5.1) , Boron, Amorphous MIL-B
16、-51092 except parti- cle size shall be 1.5 microns max. and the Boron purity shall be 90% to 92% (see 6.5.2) Polyester Resin MIL-R-7575 Grade A, Class O, Form K (see 6.4.2) Peroxide, Methyl Ethyl MIL-P-81351 (see 6.4.3) Ketone Cobalt Naphthenate (see 6.4.1) 3.1.2 Formula-tion. The igniter compositio
17、ns shall be a homogeneous blend of materials complying with 3.1.1 which have been added in the following proportions (see 6.4, 6.5 and 6.6) TABLE I. Formulation Materials All types except Type IV Type IV Potassium Nitrate, % 70.7 + 2.0 72.2 + 1.5 Boron, Amorphous, % 23.7 T 2.0 22.2 T 1.5 Binder, % 5
18、.6 ? - 0.5 5.6 T - 0.5 3.1.3 Binder. The binder used in the formulation given in 3.1.2 shall be prepared in accordance with the following proportions (see 6.4) : TABLE TI. Bindgg-Canpositioq Ingredients Percent Polyester Resin, (see 6.4.2) 98.0 + 1.0 Catalyst, (see 6.4.3) 15 T 0.1 Accelerator, (see
19、6.4.1) 0.5 7 - 0.01 3.1.4 Boron. The. boron content in the igniter composition shall comply with the follow5ng when tested as.specigied in 4.6.8: Percent Boron Al Types, except Type IV: 21.5 + 2.0% Type IV:. 20.0 T - 1.5% 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without
20、 license from IHS-,-,-MIL-P-46994B 3.2 Dimensions. The pellets/granules shall conform to the dimensions specified in this specification and applicable drawings when determined as specified in 4.6.5. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
21、MIL-P-46994B Co Co O O O O I I h- WO7 oo* * * O0 . ooo“o O 7 H O 7 O +I Ln O w 1 a 3 IIIII IIIII IlIII IIIII IIIII IIIII IIIII IIIII IIIII IIIII 2 H W 1: 1 =I d-Lnacoa LnLnLnLnCo 00000 00000 000“ 00000 CI . . ooooco OCr)U3LOM +l+l+I+l I “Na- . =c;I . N -. CF q a h Ln co =II H NCr)MOO 0000- 00000 Na“
22、- 00000 00000 LnLnFMl- +.l+M$l+.l NNWd-$O “P“ . H 5 n * N d- h Ln =#= W a 3 H n W U v, XXKXX t“c. YYYYY HHHHH IIIII mmmmm HI O O W 7 Lo b F I O O Lo P m 1 N O v) O H 4 H -=c M N Lo QI- U 1. LI 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-4
23、b774B L3 77777Ob 03L.5212 b MIL-P-46994B 3.4 Cracks or laminations. The igniter pellets shall be free of cracks or laminations. 3.5 Granulation. The granulation for Type VII.shal1 be as specified in Table V when determined as specified in 4.6.9. TABLE V Size Requirements Class 1 2 3 Other granulati
24、5% Max. retained on USS Sieve No. 50 60 100 Special Granulations (See 6.1 and 6.7) 6 12 25 40 5% max. thru USS Sieve No. 60 100 140 12 25 50 140 ons may be spec if i ed for spec ia 1 applications. 3.6 First article inspection. This specification makes provisions for first article inspection. Require
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