1、 . _- p ._- . . : z - .= . I- ! MIL-C- 815 35A( AS ) 3 Februarv 1969 Superseding 26 May i967 MIL- c-815 35 (AS ) NILITARY SPECIFICATION CUTTER, CARTRIDGE ACTUATED, MARK i8 MOD O This specification has been approved by the Naval. Air Systems Command, Department of the Navy. 1. SCOPE 1.1 This document
2、 governs the manufacture, assembly and preparation for delivery of the MARK 18 MOD O cartridge actuated cutter and the methods of inspection and tests upon which product acceptance will be based. 2. APPLICABLE DOCIJMEXTS 2.1 The following-specifications, standards, drawings, and publications, of the
3、 issue in effect mn date of invitation for bids, form a part of this document to the extent specified herein. SPECIFICATIONS Military MIL-D- 21625 MIL-P-20444 MIL-P-116 Design and Evaluation of Cartridges for Cartridge Actuated Devices Primer, M42 Preservation, Methods of Provided by IHSNot for Resa
4、leNo reproduction or networking permitted without license from IHS-,-,-*- -. * 1 MIL-C-81535A(AS) STANDARDS Milit my MIL-STD-105 Sampling Procedures and - Tables for Inspection by Attributes Marking for Shipment and Storage MII- STD-129 DRAmNGS AND ASSOCIATED LISTS % Naval Air Systems Coimnand (Code
5、 Ident No. 30003) DL 2518207 Cutter, Cartridge Actuated, MARK 18 MO O (Formerly Code Ident No, looOl) _. - 2518204 Cartridge, Delay, Assembly (Formerly Code Ident No. 10001) 1 2518212 Igniter Mix No. 212 (Formerly Code Ident No. 10001) 2518213 Mix, Time Delay, No. 213 (Formerly Code Ident No. 10001)
6、 2518211 Explosive Charge No. 211 (Formerly Code Ident No. 1 2518376 Container, Inner As semb2y 2518375 - Cutter , Cartridge Actuated, * (Formerly Code Ident No. 10001) MARK 18 MOD O, Packaging Assembly (Formerly Code Ident Ordnance Corps -of the ;Army (Code fdent No. 19203) Primer, Pcrcusoion, M42,
7、 Assembly . Arznur m3* 8799925 . . . e Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NIL-C-BLC35A 13 R 9999906 0359536 T R MIL-C-81535A( AS) PUBLICATIONS BUSANDA Instruction 4030.17 Preservation, Packaging, Packing and Marking; Navy Policy for Bure
8、au of NavaJ. Weapons - WR-43 Preparation of Quality As surance Provisions (Copies of specifications, standasds, drawings, and publications required by contractors in connection with specific procurement functions should be obtained from the procuring activity or as directed by the contracting office
9、r.) 2.2 Other publications. The following document forms a part of this specification. Unless otherwise indicated, the issue in effect on date of invitation for bids shall appiy. COE OF FEDERAL REGULATIONS 49 CFR 71-78 Transport at ion, Inter st ate Cmerce Commission, Explosives and Other Dangerous
10、Articles (Application for copies should be addressed to the Superintendent of Documents, Government Printing Office, Washington, D. C. Orders for the above publication should request the latest edition and supplements thereto.) 20402. 3. REQUIREMENTS 3.1 General. 3.1.1 The MARK 18 MOD O cartridge ac
11、tuated cutter covered by this specification shall be manufactured in accordance with DL 251-8207 and all documents listed thereon. 3.2 Materials. All materials used in the manufacture of the cutters shall conform strictly with the specifications referred to on the respective Naval Air Systems Cmand
12、drawings unless specific approval in writing covering a departure therefrom has been obtained 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-81535A 13 W 9797706 0357537 1 W MIL-C-81535A(AS) from the Tiilavy design activity prior to manufactu
13、re. materials or methods of nianufacture are specified on the drawings, the bidders selections shall be clearly stated in the proposal. When alternate 3,2,1 Preproduction sample. Unless otherwise specified by the procuring activity, a preprodwtion sample of 70 MARK 18 MOD O cartridge actuated- cutte
14、rs shall be manufactured using the same methods and procedures proposed for the production lot. shall be tested as specified in 4.3.2 and is for the purpose of determining that the contractor, prior to starting production, is capable of producing items which comply with the technical require- ments
15、of the contract, The sample 3.3 Primary components. For the purposes of this specification, the M42 primer, the igniter composition, the delay composition and the output charge are defined as primary components. See 4.3.3. 3-4 Primer. The M42 .primers shall have been manufactured within the precedin
16、g 12 months, loaded with primer mixture styphnate compo- sition No, 5086 and shall be in accordance with Drawing 8799925 and MIL-P-20444. See 4,T.l. 3.4.1 X-ray. All primers shall be X-rayed and screened for defects as outlined in 4.7.1.1. 3.5 Igniter canposition and loading. The igniter composition
17、 shall be comlsounded and loaded in accordance with Drawings 2518212 - and 2518204 y respectively. 3.6 Delay composition and loading, The delay composition shall be compounded and loaded in accordance with Drawings 2518213 and 2518204 y respectively. 3.7 Output charge. 3.7.1 Composition and loading.
18、 The output charge shall be com- pounded and loaded in accordance with Drawings 2518211 and 2518204, respectively. 3.7.2 Quantity, All output charges shall be as specified on Drawing 251mharges shall be determined by weight rather than by volume measurements, 3.8 inspection. 3.8.1. Cart ridge sub as
19、 s embly . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-1535A 13 m 7999906 0427054 4 m , MIL-C-81535A( AS) 3.8.1.1 Visua ispection. The complete cartridge subassembly shall be free of the visible defects noted in 4.7.2.1. 3.8.2 Assembled cut
20、ters, 3.8,z.i Visual inspection. The completely assembled cutters shall be free of the visible defects noted in 4.7.2.2. 3.8.2.2 X-ray. Ail cutters shall pass the X-ray examination of 4.7*2.3. 3*9 Ballistic requirements. Cutters from each production lot, selected in accordance with 4.7.3.1, shall me
21、et the requirements listed below when subjected to the tests prescribed in 4.7.3.2 and 4,7.3.3. 3.9.1 Delay time, The lower and upper limits of delay times shall be L = 4.90 seconds and U = 7.00 seconds, respectively, when fired over the temperature range of -65“ to t160. 3.9.2 Output. Each unit sha
22、ll furnish sufficient power to completely sever a 750-pound test nylon reefing line cord under no tension. 3.9.3 Misfire. There shall be no misfires. See 4,7.3.4.3. 3.10 Workmanship. Cutters shall be constructed and finished in a manner to assure compliance with all requirements of this specificatio
23、n. dimensions, finishes and coatings. Particular attention should be directed to 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 - cracked, deformed, or misplaced anv
24、il; or other visible deformation or improper assembly of inert parts, 4.7.2 Visual inspection. 4.7.2.1 Cartridge subassembly, Examine each cartridge sub- assembly and reject for: missing, perforated, or deformed closure disc; insufficient crimp or cracked or split cartridge body lip in the crimped a
25、rea at closure or primer end; primer cracked or deformed; or excessive sealant on dome of primer or closure disc. 4-7.2.2 Assembled cutter. Examine each assembled cutter and reject for: missing pull-ring or sleeve on the firing pin sear; protruding spring retainer; failure to crimp cartridge retaini
26、ng aseas; missing safety pin and tag; or improper crimp to retain spring retainer or anvil. 4.7.2.3 X-ray. Al1 cutters shall be examined by X-ray and any observable imperfections in assembly shall be cause for cutter rejection, Special attention shall be given to verifying that: the cartridge assemb
27、ly is properly crimped in place; all components are present; and that components are properly positioned, oriented and aligned, 4.7.3 Bailistic tests. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-L535A 13 6 7377706 0357542 5 6 MIL-C-81535A(
28、AS) 4.7.3.1 Sampling. following ballistic tests. from the production lot in accordance with MIL-STD-105, Inspection Level I. balistic tests, ten additional cutters shall be furnished for investigative purposes. Two samples of cutters will be required for the Each of the two samples shall be selected
29、 In addition to the two samples of cutters required for the 4.7.3.2 Low temperature. One of the cutter samples, selected in accordance with 4.7.3.1, shall be conditioned for a minimum of 12 hours at -65 f 5F and fired with a 750-pound test nylon line under no tension threaded through the opening of
30、the cutter. 4.7.3.3 High temperature. One of the cutter samples, selected in accordance with 4.7.3.1, shall be conditioned for aminhum of 12 hours at a60 I 5F and test fired as in 4.7.3.2. 4.7.3.4 Criteria of acceptability. 4.7.3.4.1 Delay time. With respect to delay time, the acceptance number shal
31、l be zero and the rejection ninriber shall be one, using the limits specified in 3.9.1. 4.7.3,4.2 Output. The failure of any cutter to sever the 750-pound test nylon line, under the condition specified in 3.9.2, shall cause rejection of the lot represented. 4.7.3.4.3 Misfire. The failure of any cart
32、ridge to fire shall cause rejection of the lot represented, unless such failure is plainly attributable to faulty test equipment or procedure. 4.8 Retest. There shall be no retests. 4.8.1 Test failure. If test failure is attributable to an assign- able cause, excluding the test cartridges, original
33、test results should be discarded and the complete test reconducted. 5. mEPARATION FOR DELIVERY 5.1 Preservation and packaging. For definitions of packaging levels, see 6.4, 5.1.1 Level A. Level A packaging shall be used for packaging of all production lots for service use. in an inner container in a
34、ccordance with Drawing 2518376. Four cutters shall be packaged 9 - Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-_. NIL-C-81535A 13 I 7777706 03575Li3 7 I MIL-C-81535A( AS) 5.1.2 Level B. Nok applicable. 5.1.3 Level C. Nhen directed by the procurin
35、g activity, those cutters which are intended for expenditure in preproduction sample testing md for production lot acceptance tests shall be packaged in accordance with Method III of MIL-P- and with the Code of Federal Regulations 49 CFR 71-78. 5.2 Packing. For definitions of packing levels, see 6.4
36、. 5.2.1 Level A, Level A packing shall be used for packing of all production lots for service use. in 5.1.1 shall be packed in accordance with Drawing 2518375. Six inner containers as described 5.2.2 Level B. Not applicable. 5.2.3 Level C. When directed by the procuring activity, cutters which are i
37、ntended for expenditure in preproduction sample testing and for production lot acceptance tests, and are packaged in accordance with 5.1.3, shailbe packed to afford protection against damage during direct shipment from the supply source to the first receiving activity for immediate use. the Code of
38、Federal Regulations 49 CFR 71-78. Shipping containers shall be in accordance with 5.3 Markings. 5.3.1 Special markings, Marking of exterior containers shall be in accordance with the Code of Federal Regulations 49 CFR 71-78. 5.3.2 Normal markings. Unless otherwise specified in the con- tract or orde
39、r, the marking information on unit packages and shipping containers shall be as specified on Drawings 2518376 and 251-8375. specified marking information shall be applied to the containers in accordance with the applicable provisions of MIL-STD-129. The 6. NDCES 6.1 Intended use; cartridge actuated
40、cutter is for dereefing the recovery parachute of a KDA type of target drone. The primary application for the MARK 18 MOD O 10 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I - MIL-C-81535A 13 7777706 0357544 7 I Mn-c!-81535A( AS) 6.2 Ordering inf
41、omat ion. Procurement documents should specify the following : a. title, nmm5er and date of this specification; b. whether preproduction inspection is required, and if so, specify the test activity; production lot size and test activity (see 4.3.3); c. d. items of data required for each preproductio
42、n and production lot (see 6.3). 6.3 - Data. For the information of contractors and contracting officers, any of the data specified in (a) subparagraphs below, (b) applicable documents-listed in Section 2 of this specification or (c) referenced lower-tier documents need not be prepared for the Govern
43、ment and shall not be furnished to the Government unless specified in the contract or order. The data to be furnished shall be listed on DD Form 1423 (Contractor Data Requirements List) which shall be attached to and made a part of the contract or order. NAVWEPS Form 4200/15 (Drawings, Lists , and S
44、pecifications Required) shall- be attached where applicable. 6.3.1 Test report. Results of ballistic tests shall be forwarded to the Naval Air Systems Command and the procuring activity. 6.3,2 Data cards. The contract or order should state the format, quantity and destination of data cards. . 6.4 De
45、finitions. The definitions of Levels A and C packaging and packing given below were extracted from BUSANDA Instruction 4030.17. 6.4.1 Level A packaging. The degree of preservation and packaging which will afford adequate protection against corrosion, deterioration and physical damage during handling
46、, shipment, indeterminate storage and world-wide redistribution. 6.4.1.1 Level C packaging. The degree of preservation and packaging which will afford adequate protection against corrosion, deterioration and physical damage during shipment from supply source to the first receiving activity for immed
47、iate use. This level may conform to suppliers commercial practice when such meets the require- ments of this level. 11 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-4- 1 , MIL-C-BL535A 13 E 997990b 0359545 0 I L- MIL- c-81535A( AS i 6.4.2 Level A p
48、acking. The degree of packing which will afford adequate protection during shipment, handling, indeterminate storage and world-wide redistri5ution. 6,4.2.1 Level C packing. The degree of packing which will afford protection against damage during direct domestic shipment from the supply source to the
49、 first receiving activity for immediate use. level in general will conform to applicable carrier niles and regulations and may be the suppliers commercial practice when such meets the require- ments of this level. This 6,5 Explosives safety precautions. 6.5.1 Applicability. The loading, assembly and handling of the explosives, subassemblies and the finished items covered by this spcification involve ha
