1、METRIC MIL-DTL-20517J (AR) 27 January 2011 SUPERSEDING MIL-S-20517 H (AR) 04 JANUARY 1984 DETAIL SPECIFICATION SIMULATOR, PROJECTILE, AIR BURST, M74A1 PARTS FOR AND LOADING, ASSEMBLING AND PACKING This specification is approved for use by the U.S. Army Armaments Research, Development and Engineering
2、 Center (ARDEC), and is available for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 This specification is for the fabrication of parts and assembly of one type of flash and sound simulator designated as Simulator, Projectile, Air Burst, M74A1. 2. APPLICABLE DOCUMENTS
3、 2.1 General. The documents listed in this section are specified in section 3 or 4 of this specification. This section does not include documents cited in other sections of this specification or recommended for additional information or as examples. While every effort has been made to ensure the com
4、pleteness of this list, document users are cautioned that they must meet all specified requirements of documents cited in sections 3 or 4 of this specification, whether or not they are listed. AMSC N/A FSC 1370 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Comment
5、s, suggestions, or questions on this document should be addressed to the Commander, U.S. Army ARDEC, ATTN: RDAR-QES-E, Picatinny, NJ 07806-5000 or emailed to ardecstdznconus.army.mil Since contact information can change, you may want to verify the currency of this address information using the ASSIS
6、T Online database at https:/assist.daps.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-20517J (AR) 2 2.2 Government documents. 2.2.1 Specifications, standards and handbooks. The following specifications, standards, and handbooks for
7、m a part of this document to the extent herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. DEPARTMENT OF DEFENSE SPECIFICATIONS MIL-A-70625 - Automated Acceptance Inspection Equipment Design, Testing and Approval, of MIL-P-00223 - Powde
8、r, Black DEPARTMENT OF DEFENSE STANDARDS MIL-STD-1234 - Pyrotechnics- Sampling, Inspection and Testing MIL-STD-1916 - DOD Preferred Methods for Acceptance of Product (Copies of these documents are available online at https:/assist.daps.dla.mil/quicksearch/ or from the Standardization Document Order
9、Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094.) 2.2.2 Other Government documents, drawings, and publications. The following other Government documents, drawings, and publications form a part of this document to the extent specified herein. Unless otherwise specified, the issues
10、of these documents are those cited in the solicitation or contract. U.S. ARMY ARMAMENT RESEARCH, DEVELOPMENT, AND ENGINEERING CENTER (ARDEC) DRAWINGS 8848486 - Simulator, Projectile, Air-Burst, M74A1 Assembly 12977377 - Fuze Assembly 12991624 - Cartridge, Impulse 12991625 - Body 12991626 - Disc, Clo
11、sure 12991627 - Washer, Closure 12991623 - Case 12977376 - Housing, Fuze 8848485 - Charge Case Loading Assembly 8848484 - Tube 8848480 - Wad 8848478 - Washer, Gas Check 8848479 - Filler 8848482 - Disc, Closing 8848483 - Case, Charge 8848473 - Top Provided by IHSNot for ResaleNo reproduction or netwo
12、rking permitted without license from IHS-,-,-MIL-DTL-20517J (AR) 3 (Copies of these drawings are available online from Drawing-Requestpica.army.mil or from US Army ARDEC, ATTN:RDAR-EIS-PE, Picatinny, NJ 07806-5000). 2.3 Non-Government publications. The following documents form a part of this documen
13、t to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. ASTM INTERNATIONAL ASTM D 695 - Standard Test Method for Compressive Properties of Rigid Plastics ASTM E 1742 - Standard Practice for Radiographic Examination
14、ASTM E 300 - Standard Practice for Sampling Industrial Chemicals (Copies of this document are available from www.astm.org or ASTM International, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959) NATIONAL AEROSPACE STANDARD NAS 410 - NAS Certification 4.4.1;4.4.2 X X X X 3.2.2 Flash Powder 4.3
15、.2.2;4.4.1; 4.4.2; 4.4.3 X X X X 3.2.3 Tube 4.3.2.3; 4.4.4.1; 4.4.4.2 X X X X 3.2.4 Wad 4.3.2.4; 4.4.2 X X X 3.2.5 Gas Check Washer 4.3.2.5; 4.4.2 X X X 3.2.6 Filler 4.3.2.6;4.4.2 X X X 3.2.7 Impulse cartridge 4.3.2.7 X X X X 3.2.7.1 Propellant charge 4.3.2.7 X X X X 3.2.7.2 Primer 4.3.2.7 X X X X 3
16、.2.8 Body 4.3.2.8 X X X X 3.2.9 Closure disc 4.3.2.9 X X X X 3.2.10 Closure washer 4.3.2.10 X X X X 3.2.11 Fuze housing 4.3.2.11 X X X X 3.2.12 Fuze assembly 4.3.2.12 X X X X 3.2.12.1 Charge 4.3.2.12 X X X X 3.2.12.2 Fuze delay composition 4.3.2.12 X X X X 3.2.13 Fuze assembly complete 4.3.2.13; 4.5
17、.7 X X X X 3.2.14 Closing disc 4.3.2.14 X X X X 3.2.15 Charge case 4.3.2.15 X X X X 3.2.16 Charge case loading assembly prior to crimping closing disc 4.3.2.16 X X X X 3.2.17 Charge case loading assembly after crimping closing disc 4.3.2.17 X X X X 3.2.18 Signal case 4.3.2.18 X X X X 3.2.19 Top 4.3.
18、2.19 X X X X 3.2.20 Simulator assembly prior to installing top 4.3.2.20 X X X X 3.2.21 Simulator assembly complete 4.3.2.21; 4.5.6; 4.5.7; 4.5.8 X X X X Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-20517J (AR) 8 TABLE I. Requirements/Verif
19、ication Cross Reference Matrix - Continued METHODS OF VERIFICATION CLASSES OF VERIFICATION 1 - Analysis 2 - Demonstration 3 - Examination 4 - Test A - First Article B Conformance Section 3 Requirements Description Section 4 Verification Methods Verification Class N/A 1 2 3 4 A B 3.3 Fragmentation 4.
20、3.2.17; 4.4.5; 4.5.4 X X 3.4 Dynamic functioning 4.3.2.21; 4.4.6; 4.5.5 X X X 3.4.1 Case failure 4.3.2.21; 4.4.6; 4.5.5 X X X 3.4.2 Burst 4.3.2.21; 4.4.6; 4.5.5 X X X 3.4.3 Burst time 4.3.2.21; 4.4.6; 4.5.5 X X X X X 3.4.4 Expelling time 4.3.2.21; 4.4.6; 4.5.5 X X X X 3.4.5 Horizontal distance and a
21、ltitude 4.3.2.21; 4.4.6; 4.5.5 X X X X 3.4.6 Primer functioning 4.3.2.21; 4.4.6 X X X 3.5 Primer deterioration 4.4.7 X X X 3.6 Air leakage test 4.3.2.21; 4.4.8; 4.5.6 X X X 3.7 Workmanship 4.3.2.1 to 4.3.2.21 X X X 4.1 Classification of inspections. The following types of inspection shall be conduct
22、ed for this item: a. First article inspection b. Conformance inspection 4.2 First article inspection. When specified a sample of the M74A1 and its components and sub assemblies shall be subjected to first article inspection in accordance with Table II. 4.2.1 Inspections to be performed. The first ar
23、ticle inspection shall be 100% examination of all drawing characteristics (listed and unlisted) including workmanship requirements for the parts and assemblies listed and the tests specified in Table II herein. (See 6.11.1) 4.2.2 Rejection. The first article sample shall be rejected if any of the in
24、spections/tests in Table II are not acceptable. (See 6.11.2) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-20517J (AR) 9 TABLE II. First Article Inspection. Examination or Test No. of Sample Units Requirement Paragraph Paragraph Reference/
25、Inspection Method Black powder MIL-P-00223 Examination for defects 4.4.1 3.2.1 4.3.2.1 Flash powder (Dwg. 8848485) Examination for defects 4.4.3 3.2.2 4.3.2.2 Tube (Dwg. 8848484) Examination for defects 20 3.2.3 4.3.2.3 Wad (Dwg. 8848480) Examination for defects 20 3.2.4 4.3.2.4 Gas check washer (Dw
26、g. 8848478) Examination for defects 20 3.2.5 4.3.2.5 Filler (Dwg. 8848479) Examination for defects 20 3.2.6 4.3.2.6 Impulse cartridge (Dwg. 12991624) Examination for defects 50 3.2.7 4.3.2.7 Body (Dwg. 12991625) Examination for defects 50 3.2.8 4.3.2.8 Closure disc (Dwg. 12991626) Examination for de
27、fects 50 3.2.9 4.3.2.9 Closure washer (Dwg. 12991627) Examination for defects 50 3.2.10 4.3.2.10 Fuze housing (Dwg 12977376) Examination for defects 50 3.2.11 4.3.2.11 Fuze assembly (Dwg. 12977377) Examination for defects 50 3.2.12 4.3.2.12 Provided by IHSNot for ResaleNo reproduction or networking
28、permitted without license from IHS-,-,-MIL-DTL-20517J (AR) 10 TABLE II. First Article Inspection - Continued Examination or Test NO. of Sample Units Requirement Paragraph Paragraph Reference/ Inspection Fuze assembly complete (Dwg. 12977377) Examination for defects 50 3.2.13 4.3.2.13 Closing disc (D
29、wg. 8848482) Examination for defects 20 3.2.14 4.3.2.14 Charge case (Dwg. 8848483) Examination for defects 20 3.2.15 4.3.2.15 Charge case loading assembly prior to crimping closing disc (Dwg. 8848485) Examination for defects 50 3.2.16 4.3.2.16 Charge case loading assembly after crimping closing disc
30、 (Dwg. 8848485) Examination for defects 50 3.2.17 4.3.2.17 Fragmentation test 20 3.3 4.3.2.17 Flash powder 4.4.3 3.2.2 4.3.2.2 Signal Case (Dwg. 12991623) Examination for defects 20 3.2.18 4.3.2.18 Top (Dwg. 8847473) Examination for defects 20 3.2.19 4.3.2.19 Simulator assembly prior to installing t
31、op (Dwg. 8848486) Examination for defects 50 3.2.20 4.3.2.20 Simulator assembly complete (Dwg. 8848486) Examination for defects 50 3.2.21 4.3.2.21 Air leakage test 50 3.6 4.3.2.21 Dynamic functioning test 50 (note 1) 3.4 4.3.2.21 Note 1: Above units must be functioned Provided by IHSNot for ResaleNo
32、 reproduction or networking permitted without license from IHS-,-,-MIL-DTL-20517J (AR) 11 4.3 Conformance Inspection. 4.3.1 Inspection lot formation. Inspection lots shall comply with the lot formation provisions of MIL-STD-1916, Acceptance by tables. In addition, inspection lots of simulators shall
33、 contain: a. Parts of one interfix number from one supplier. b. Composition ingredients from not more than one lot from one supplier c. Class V black powder from not more than one lot. d. Class VII black powder from not more than one lot. e. Percussion primers from one lot interfix number from one s
34、upplier f. Flash composition and delay composition of one or more batches produced under continuous set of operating conditions, with each batch of the composition having been subjected to the same physical mixing process intended to make the batch homogeneous. 4.3.2 Classification of Characteristic
35、s. a. Sampling Requirements. Where identified herein, conformance inspections shall be by classification of characteristics. Characteristics are classified in accordance with MIL-STD-1916. (See 6.10) b. Conformance inspection. Conformance inspection shall be performed in accordance with paragraph 4.
36、3.2.1 through 4.3.2.21. c. Acceptance Criteria. The Inspection Quantities accept/reject criteria for sampling inspection shall be as specified in MIL-STD-1916 for the applicable level. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-20517J (A
37、R) 12 PARAGRAPH TITLE Black Powder DRAWING NUMBER 4.3.2.1 12977377 NEXT HIGHER ASSEMBLY 8848485 Category Examination or Test No. of Sample Units VL or 100% Requirement Paragraph Paragraph Reference/ Inspection Method Critical None defined Major 101 Chemical composition incorrect 4.4.1 3.2.1 4.4.1 10
38、2 Moisture content too high or low 4.4.2 3.2.1 4.4.2 Minor None defined Notes: PARAGRAPH TITLE Flash Powder DRAWING NUMBER 4.3.2.2 8848485 NEXT HIGHER ASSEMBLY 8848486 Category Examination or Test No. of Sample Units VL or 100% Requirement Paragraph Paragraph Reference/ Inspection Method Critical No
39、ne defined Major 101 Chemical composition incorrect 4.4.1 3.2.2 4.4.1 102 Moisture content too high or low 4.4.2 3.2.2 4.4.2 103 Composition not in accordance with drawing 4.4.3 3.2.2 4.4.3 Minor None defined Notes: Provided by IHSNot for ResaleNo reproduction or networking permitted without license
40、 from IHS-,-,-MIL-DTL-20517J (AR) 13 PARAGRAPH TITLE Tube DRAWING NUMBER 4.3.2.3 8848484 NEXT HIGHER ASSEMBLY 8848485 Category Examination or Test No. of Sample Units VL or 100% Requirement Paragraph Paragraph Reference/ Inspection Method Critical None defined Major 101 Failure of tube in axial comp
41、ression 13 (note 1) 3.2.3 4.4.4.1 102 Failure of tube in diametrical compression 13 (note 1) 3.2.3 4.4.4.2 Minor None Defined Notes: Note 1: Destructive Test PARAGRAPH TITLE Wad DRAWING NUMBER 4.3.2.4 8848480 NEXT HIGHER ASSEMBLY 8848486 Category Examination or Test No. of Sample Units VL or 100% Re
42、quirement Paragraph Paragraph Reference/ Inspection Method Critical None defined Major 101 Moisture content too high or low 4.4.2 3.2.4 4.4.2 Minor None defined Notes: Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-20517J (AR) 14 PARAGRAPH T
43、ITLE Gas Check Washer DRAWING NUMBER 4.3.2.5 8848478 NEXT HIGHER ASSEMBLY 8848486 Category Examination or Test No. of Sample Units VL or 100% Requirement Paragraph Paragraph Reference/ Inspection Method Critical None defined Major 101 Moisture too high or low 4.4.2 3.2.5 4.4.2 Minor None defined Not
44、es: PARAGRAPH TITLE Filler DRAWING NUMBER 4.3.2.6 8848479 NEXT HIGHER ASSEMBLY 8848486 Category Examination or Test No. of Sample Units VL or 100% Requirement Paragraph Paragraph Reference/ Inspection Method Critical None defined Major 101 Moisture content too high or low 4.4.2 3.2.6 4.4.2 Minor Non
45、e defined Notes: Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-20517J (AR) 15 PARAGRAPH TITLE Impulse Cartridge DRAWING NUMBER 4.3.2.7 12991624 NEXT HIGHER ASSEMBLY 8848486 Category Examination or Test No. of Sample Units VL or 100% Require
46、ment Paragraph Paragraph Reference/ Inspection Method Critical 1 Weight of propelling charge less than 0.500 grams 100% & VII 3.2.7.1 Balance (Note 1) 2 Primer above flush 100% & VII 3.2.7.2 Gage (Note 1) Major 101 Any part missing, insecure, or incorrectly assembled IV 3.2.7 Visual/Manual 102 Crimp
47、 incomplete IV 3.2.7 Visual 103 Height after crimp IV 3.2.7 Gage 104 Weight of propelling charge greater than maximum or less than minimum 100% 3.2.7 Balance 105 Primer greater than max below flush IV 3.2.7 Gage 106 Outer diameter greater than maximum after crimp IV 3.2.7 Gage Minor 201 Evidence of
48、poor workmanship II 3.7 Visual 202 Marking misleading, illegible, or incorrect II 3.7 Visual Notes: Note 1: Gage shall be automated in accordance with MIL-A-70625 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-20517J (AR) 16 PARAGRAPH TITLE Body DRAWING NUMBER 4.3.2.8 12991625 NEXT HIGHER ASSEMBLY 12991624 Category Examination or Test No. of Sample Units VL or 100% Requirement Paragraph Paragraph Reference/ Inspection
