1、MIL-D- 608112 (MU) 8 December 1970 SUPERSEDING FA-PD-Mi-2375, Rev. 1 25 my 1962 MILITARY SPECIFICATION DELAY ELENENT, CARTRIDGE: mi7 ASSEMBLY 1. SCOPE 1.1 This specification covers Delay Element, Cartridge: XMl7, for use in cartridges for propellant actuated devices in aircrew emergency escape syste
2、ms. 2. APPLICABLE DOCWENTS 2.1 The following documents of the issue in effect on date of invitation ,for bids or request for proposal form a part of this specificationto the extent specified herein. SPECIFICATIONS Military MIL-A-2550 MTL-E-5272 STANDARDS Military MlESTD-105 MIL-STD-109 - Ammunition
3、and Special Weapons, General - Environmental Testing, Aeronautical and - Composition, Delay - Coating, Anodic, Conventional for Aluminum Specification for. Associated Equipment, General Specification for and Aluminum Alloys . - Sampling Procedures and Tables for Inspection by Attributes - Quality As
4、surance Terms and Definitions THIS DOCUMENT CONTAINS 13 PAGES. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-60842 13 m 7999906 0341517 m MIL-D-O (MU) 2.1 (Contd) . DRAWINGS Munitions Command 8596x8 - Delay Element, Cartridge: XMl7 8826728 e8
5、826729 IEL-8596128 - Ammunition, Container, Metal, M21 for Delay - Box, Packing, Ammunition for Delay Elements, - Inspection Equipment List for Delay Element, Elements, M5 and M8 M5 or M8 in Metal Container, M.21 Cartridge: xM17 Assembly (Copies of specifications , standards , drawings and publicati
6、ons required by suppliers in connection with specific procurement functions should be obtained frm the procuring activity or as directed by the contracting officer.) 2.2 Other publications.-The following document forms a part of this specification to the extent specified herein. issue in effect on d
7、ate of invitation for bid or request for proposal shall Unless otherwise indicated, the am1Y ASA-B46.1 - Surface Texture (Application for copies should be addressed to the American Standards Associa- tion, 10 East 40th Street, New York, N.Y. 10016). 3. REQUIREMENTS 3.1 General.-Materials, parts and
8、assemblies shall conform to the applicable drawings and referenced specifications. 3.2 MIL-c-o. Protective finish.-Protective finish shall be in accordance with 3.3 Vibration.-The delay element assembly shall withstand vibration as prescribed in MIL-E-5272, Procedure XI, without evidence of any disi
9、ntegration of the primer or delay charge or derangement of any components. 3.4 Functional. 3.4.1 The delay element shall not fail to fire, 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-bo842 33 M 777970b 0343520 LI M - 3.4.2 Delay charge.-T
10、he delay charge shall comprise increments of Type I and Type II formulations shown in MIL-C-13739, in the proportions and quantiti6.s fixed by the contractor to produce the delay times required in Table I (see 6.3). TABLE I Temperature -65O to -7O0F 65 to 75OF i60 to 165OF Delay Time, Seconds (See 6
11、.2) 2.70 max. 2.25 + 0.20 1,80 Ein. 3.5 Workmanship.-Workmanship shall be in accordance with the require- ments of the applicable drawings, referenced specifications and the following: 3.5.1 Metal defects.-The metal part shall be free from cracks, splits, cold shuts, inclusions, porosity or other me
12、tal defects, 3.5.2 - Burr.-The part shall not have a burr which might interfere with assembly or finction of the item or which might be injurious to personnel handling the item. 3.5.3 Foreign matter.-The part or assembly shall not contain chips, ?irk, -. grease, rust, corrosion or other foreign matt
13、er. 4. QUALITY ASSURANCE PROVSIONS 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. fied in the contract or order, the supplier may use his own or any
14、other facilities suitable for the performance of the inspection requirements specified herein, unless disapproved by the Government. right to perform any of the inspe,ctions set forth in the specification where such inspections are deemed necessary to assure supplies and services conform to prescrib
15、ed requirements. Except as otherwise speci- The Government reserves the 4.1.1 Quality assurance terms and definitions .-Reference shail be made to MIL-STD-109 to define quality assurance terms used. 4.1.2 Inspection.-Inspection shall be in accordance with MIL-A-2550. 3 Provided by IHSNot for ResaleN
16、o reproduction or networking permitted without license from IHS-,-,-MIL-D-60842 13 7777906 039L52L b m 4.2 First article sample. 4.2.1 Initial production sample .-At the beginning of regular productlon sample shall he submltted in accordance with contract requirements and shall %consist of 23 anodiz
17、ed units for prokective finish tests and 30 cartridges :for ballistks to be tested in accordance with Table II and 10 sets of un- assembled components for visual and dimensional examination. TABLE II Paragraph Requirement - Test Test - Samrde Size Type of Test Destr. Non-Destr. X - - X X - 3.2 4.4.1
18、 Protective finish 23 3.3 4.4.2 Vibration 12 (from 3.4.2 4.4.3 Ballistics 30 Ballistics) The sample shall be manufactured using the same materials, equipment, processes and procedures as used in regular production. All parts and materials, includ- ing packaging and packing shall be the same as used
19、for regular production and shall be obtained from the same source of supply. 4.2.1.1 Examination and tests .-After examination and provisional acceptance ,at source, the sample shall be inspected for all requirements of the drawings and specifications at a Government laboratory or such other facilit
20、y specified in the contract. 4.2.1.2 Ballistics .-The sample for ballistic tests shall be temperature conditioned and tested to determine compliance with Table I. firing shall consist of the following: The sample for IIIABLE III Temperature Not Vibrated Vibrated -65 to -70F 65 to 75% 160 to 165OF 4
21、4 4 6 6 6 4.2.1.3 Znitial production sample failur e.-Failure of the sample to com- ply with the requirements of the drawings and specifications shd1 result in sample disapproval. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-60842 (w) 4.3
22、inspection provisions. 4.3.1.1 Submission of product.-The product shall be submitted in accordance with MIL-STD-2-05. 4.3,1.2 Size of lot.-A lot shall consist of an identifiable group of metal parts assemblies and loaded with accepted delay charge from not more than one lot, propellant from not more
23、 than one lot and primers from.not more than one lot. 4.3.2 Examination .-One hundred percent examination shall be performed for all critical defects. performed on a defect basis in accordance with the classification of defects, using the sampling plan and associated criteria in Tables IV and V. For
24、 an individual defect (single characteristic) the criteria in Table IV shall be used. shall be used. All non-conforming material shall be rejected. (4X) magnification may be used to perform visual examination for such defects as burr and foreign matter. The roughness comparison specimens prescribed
25、in ASA-B46.1 shall be used as a basis of comparison for surface roughness determina- Examination for major or minor defects shail be For total defects within a major or minor class the criteria in Table V Four power 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without licen
26、se from IHS-,-,-MIL-D-60g2 13 7977706 03g3523 T M 4.3.2 Table V (Contd) himple Size for Minor Defects 110 150 225 300 Number of Defects in Class 2- 3 4- 7 8 - 16 over 43 17 - 43 - 2 3 4 3 4 5 4 5 8 6 81- 11 . a 11 17 5 7 10 14 20 D85 - 4.3.2.1 Body, Delay, Drawing C8594081, covering a detail of Draw
27、ing 6128. - Defect 1. Diameter of flash hole 2. Metal defective MAJOR 101. 102 . 103. 104 . 105 . 106. 107 . 108. log . 110 . 111. 112. i13 . MINOR Pitch diameter of thread, min. Major diameter of thread, min. Concentricity of body with pitch diameter of thread Diameter of thread relief Diameter of
28、step at thread relief Diameter of cavity, max. Diameter of body, min. Depth of cavity, max. Length from cavity face to body diameter Thread damaged or not fhll Protective finish inadequate or defective Burr Foreign matter 201. Pitch diameter of thread, max. 202. Diamet& of cavity, min. 203. Diameter
29、 of body, max. 204. Diameter of wrench holes 205. Diameter of thread pilot 206. Depth of cavity, min. Method of- InsDection Gage Visual Gage Gage Gage Gage Gage Gage Gage Gage Gage Visual Vi sual Visual Vi sual Gage Gage Gage Gage Gage Gage 6 Provided by IHSNot for ResaleNo reproduction or networkin
30、g permitted without license from IHS-,-,-MIL-D-o (MU) 4.3.2.1 (Contd) Defect Method of Inspection 207. Depth of wrench holes Gage 208. Total length Gage 209. Length of thread pilot Gage 210. Length of thread relief Gage 211. Length of step at thread relief Gage 212. Location of.wrench hoies Gage 213
31、. Radius or chamfer missing or incorrect Visual 214. Surface finish improper Visual / 4.3.2.2 Gasket, Aluminum, Drawing Ii8594082, covering a detail of Drawing D8596128. CRITICAL None defined MAJOR 101. Dimeter, outside, min. 102. Diameter, inside, max. 103. Metal defective 104. Burr 105. Foreign ma
32、tter MINOR 201. Diameter, outside, max. 202. Diameter, inside, min. 203. Thickness 204. Surface finish improper Gage Gage Visual Visml Visual Gage Gage Gage Visual 4.3.2.3 Primer Retainer, Drawing 8594083, covering a detail of Drawing D8596128. CRITICAL 1. Diameter of flash hole -Gage 2. Depth of pr
33、imer pocket Gage 3. Metal defective Visual 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-hOLI2 13 7777706 03LI1.525 3 W 4.3.2.3 (Contd) Defect Method of Inspection 101. 102. 103. 104. 105 . 106. i07 . 108. log . 110 * 111 . 112. 113. 114 .
34、115. 116. 117 u8. 119. 120. 121. 122 . MINOR Pitch diameter of internal thread, max. Minor diameter of internal thread, max. Concentricity of head with body Concentricity of pitch diameter of thread with body Concentricity of primer pocket with body Concentricity of recess around primer pocket with
35、primer pocket Symmetry of wrench flats with thread Diameter of head Diameter of primer pocket Diameter of body, min. Diameter of recess around primer pocket Diameter at base of angled recess Depth to bottom of thread cavity Depth of chamfer at primer pocket Depth of recess around primer pocket Lengt
36、h of effective thread, min. Location of datum diameter Thread damaged or not full Protective finish inadequate or defective Surface finish of primer pocket improper Burr or sharp corner Foreign matter 201. 202. 203 o 204 o 205 . 206. 207. 208. Pitch diameter of thread, min. Diameter of body, max. Le
37、ngth of wrench flats Total length Width of wrench flats Location of wrench flats Radius or chamfer missing or incorrect Surface finish improper, except as otherwise classified 8 Gage Gage Gage Gage Gage Gage Gage Gage Gage Gage Gage Gage Gage Gage Gage Gage Gage Visual Vi sua1 Visual Visual Visual G
38、age Gage Gage Gage Gage Gage Visual Visual Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Visual X-ray/Visual L/ X-ray/Visud IJ Visual Visual Vitsuai Visual Visual Gage Gage Visual Visual Visual Visual 9 Provided by IHSNot for ResaleNo reproduction
39、or networking permitted without license from IHS-,-,-MIL-D-bo842 33 W 7779706 0343527 7 W MIL-D-60842 (MU) 4.3.2.5 (Contd) Defect Method of Inspection - MINOR 201. Total length, max. 202. Lacquer missing or inadequate Gage Vi sua1 L/ horfzontal to the rays of the X-ray machine. shall be forwarded to
40、 the procuring activity. 4.3.2.6 Ammunition Container, Metal, M21 for Delay Elements, M5 or M8, Drawing 8826728 . The delay element shall be X-rayed dth the element in a position The negatives properly identified CRITICAL None defined MAJOR None defined MINOR 201. Contents loose 202. Quantity of con
41、tents incorrect 203. Separator or filler missing 204. Heat seal incomplete, loose or istorted 205. Cut or damaged through impregnated box 206. Marking missing, incorrect or illegible Maniial/Vis ual Visual Visual Visual Visual Visual 4.3.2,.7 Box, Packing, Ammunition for Delay Elements, M5, M8, 1,11
42、4, Ml5, MJ- M17 or XM28, Drawing CU26729. CRITICAL None defined MAJOR None defined 10 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Sample Size 10 10 10 * 11 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from
43、IHS-,-,-MIL-D-bO42 13 M 7799706 0341529 O M MIL-D-601142 (MU) 4.3.4 Inspection equ%pmcnt.-The examination and tests shall be made using equipment listed on IEL-8596128. 4.4 Test methods and procedures. 4.4.1 Protective finish.-Test procedures for protective finish tests All anodized components shall
44、 be shall be in accordance with 1c-60539. sectioned longitudinally to better expose the critical surfaces to the salt spray. test shall be in accordance with MIL-E-5272, Procedure XII. 4.4.2 Vibration.-The method and procedure for performing the vibration 4.4,3 ctionai. 4.4,3.1 Rallistics.-The sampl
45、e shall be grouped and temperature con- ditioned in accordance with 1.4.3.1.1 and rigidly supported in the test fixture. the conditioning chamber. When thib the limit is exceeded, the sample shall be reconditioned in accordance with 4.4.3,l.l. 4.4.3.1.1 Temperature conditioning.-$, standard inert XM
46、.7 delay element, containing a temperature sensitive device shall be placed in the conditioning chamber at the same time as the sample. minimum of 1 hour longer than the time necessary to bring the device contained in the inert delay element to the required temperature. the delay element shall be se
47、aled against the envirormental atmosphere of the conditioning chamber during the conditioning period. temperature conditioning, the vent seal shall be removed. 5. PREPARATION FOR DELIVERY The sample shall be tested within 5 minutes after removal from The conditioning time shall be a The vent holes i
48、n Upon completion of the 5.1 Packing and marking,-Packing and marking shall be in accordance with Drawings CU626728 and 8864729, except that all markings shall refer to Delay Element, Cartridge, XMl7. 6, NOTES 6.1 Orciering data.-hocurement documents should specify the title, number and date of this specification. 12 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Preparing activity Army - MIJ(FA) Project No. 1377-A217 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,
