1、MIL-W-63LIbA 13 M 997770b 0350937 5 W MILiW-63 468A (AR) 7 OCroBER I983 SUPERSEDING MIL-W-63468 (AR) 2 August 1982 MILITARY SPECIFICATION WARHEAD, 2.75 INCH ROCKET, H.E.: M261 This specification is approved for use by the U.S. Army Armament Research and Development Command, and is available for use
2、by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 This specification covers the quality assurance provisions and special requirements not covered by the drawings for parts and assembly of the M261 Multipurpose Submunition (MPSM) War head. 2. APPLICABLE DOCUMENTS 2.1 Governme
3、nt documents. 2.1.1 Specifications and standards. Unless otherwise specified (see 6.2), the following specifications and standards of the issue listed in that issue of the Department of Defense Index of Specifications and Standards (DoDISS) specified in the solicitation, form a part of this specific
4、ation to the extent specified herein. SPECIFICATIONS MILITARY MIL-A-48 O 78 Ammunition, Standard Quality Assurance Provisions, General Specification for MIL-F-48877 Fuze, Rocket, M439 MIL-G-634 4 4 Grenade, General Purpose, M73 MIL-W-6 4 O 4 4 Warhead, 2.75 Inch Rocket, M261 and M267, Parts for FSC:
5、 1340 I 1 Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improvin this document should be addressed to: Commander, US Army Armament fesearch and Develo ment Command, Attn. DRDAR-QA, Dover, New Jersey 07801 by using t!e self-addressed Standar
6、dization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. I I THIS DOCUMENT CONbAIMS 2 PAGES. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-W-b34b83 I 777770b 0350738 7 W MIL-W-6 3468A (AR) STANDA
7、RDS MILITARY MIL-STD-10 5 Sampling Procedures and Tables for Inspection by Attributes MIL-STD-331 Environmental Testing and Performance of Fuzes and Components MIL-STD-810 Environmental Test Methods MIL-STD-1167 Ammunition Data Cards 2.1.2 Other Government documents, drawings and publications. The f
8、ollowing other Government documents, drawings and publications form a part of this specification to the extent specified herein. MISSILE INTERIM SPECIFICATION MIS-3086 2 Rocket, 2.75 Inch, Complete Round with MK66 Motor: Assembling, Packing, and Testing (The Missile Interim Specification is availabl
9、e from the Missile Logistics Center, US Army Missile Command, Redstone Arsenal, Alabama 35898 . ) DRAWINGS US ARMY ARMAMENT RESEARCH AND DEVELOPMENT COMMAND (ARRADCOM) PRODUCT DRAWINGS 9334097 Warhead, 2.75 Inch, H.E.: M261 (Copies of specifications, standards, handbooks, drawings, and publications
10、required by manufacturers in connection with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting officer.) 2.1.3 Order of precedence. In the event of a conflict between the text of this specification and the references cited herein, the t
11、ext of this specification shall take precedence. 3. REQUIREMENTS 3.1 Materials. Materials shall be in accordance with the applicable drawings and specifications. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-W-634bA 13 7777706 0350737 7 W MI
12、L-W-6 3468A (AR) 3.2 Components and assemblies. The components and assemblies shall comply with all requirements specified on Drawing 9334097 and associated drawings and with all requirements specified in applicable specifications and standards. 3.3 M73 qeneral purpose HE grenade. The grenade shall
13、comply with specification MIL-G-63444. . I- 3.4 M439 fuze. The fuze shall comply with specification MIL-F-48877. 3.5 M261 Warhead metal parts. The metal parts shall comply 3.6 Expulsion charqe. The expulsion charge shall be capable, with spec if icat ion MIL-W-64044. when initiated by the M439 Fuze,
14、 of ejecting the cargo from the warhead in less than 100 msec under all delivery conditions. 3.7 Reliability. The reliability of the M261 Warhead will be based on reliability of payload ejection from the Warhead case. The minimum acceptable value (MAV) of payload ejection shall be 93% and the best o
15、perational capability (BOC) shall be 97% at 90% confidence. 3.8 Interfaces. The warhead should be compatible with the MK66 Mod 1 motor and have a fuze charging umbilical lead capable of interfacing with the fuze charge receptacles of the M260, M261, M227 and M158AlEl Launchers. The main event fuze i
16、n the warhead shall be compatible with the electrical characteristics of the Rocket Management Subsystems on Army helicopters. 3.9 Fluoroscopic or radioqraphic inspection. The H261 Warhead shall be fluoroscopically or radiographically examined to verify to the extent possible the presence- and posit
17、ioning of all components as well as the absence of foreign material. Warheads selected for first article testing shall be radiographically examined with Government approved equipment prior to static or field firing. proper evaluation as determined by the responsible technical agency of the Governmen
18、t. Radiographs shall be of a quality which will permit 3.10 Warhead weiqht. The weight shall be 13.50 50.25 pounds. 3.11 Rough handlinq. The warhead shall withstand rough handling when tested as specified in 4.5.2, and with the exception of the five foot drop test, shall comply with the ballistic te
19、st as specified in 4.5.8. The warhead shall be safe to handle and dispose of following the five foot drop test. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NIL-W-63468A 13 9 7777706 0350740 5 MIL-W-6 346 8A (AR) 3.12 Temperature. The warhead sh
20、all withstand exposure to and function after storage temperatures of -5092 5%, 70% - + 15%, and 160% 2 5%. exposure to secured cargo vibration as specified in 4.5.3 and shall comply with the ballistic test as specified in 4.5.8. exposure to helicopter vibration as specified in 4.5.4 and shall comply
21、 with the ballistic test as specified in 4.5.8. motor and packaged for shipment shall withstand a 40 foot drop and be safe to dispose of. leakage test as specified in 4.5.6 and shall comply with the ballistic test as specified in 4.5.8. Failure criteria shall be water entry into the cargo compartmen
22、t. 3.17 Charge circuit continuity (M439 fuze unarmed). The continuity of the charge circuit through the umbilical lead shall be acceptable as measured by the M433/M439 Fuze Continuity Test Set. The warhead must show proper fuze continuity before assembly into a complete rocket assembly. 3.18 Warhead
23、 performance. The completely assembled round in flight configuration shall be ballistically tested to comply with the requirements of this specification. in accordance with the requirements of the data item descriptions cited in 4.5.9. 3.20 First article inspection. This specification makes provisio
24、n for first article inspection. submission of first article samples by the Contractor shall be as specified in the contract. 3.13 Secured carqo vibration. The warhead shall withstand 3.14 Helicopter vibration. The warhead shall withstand 3.15 Forty foot droE. The warhead assembled to the rocket 3.16
25、 Leakaqe. The warhead shall withstand exposure to the 3.19 Data requirements. The Contractor shall generate data Requirements for 3.21 Workmanship. 3.21.1 Mechanical. Unless otherwise specified on the drawing, all parts and assemblies shall be free from burrs, chips, sharp edges, cracks, unblended r
26、adii, surface defects, dirt 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-W-63LIbA 13 7977706 03507LIL 7 MIL-W-6 34 6 8A (AR) grease, rust, porosity, warpage, burn marks, checks, blisters, excess flash, corrosion products and other foreign ma
27、tter. The cleaning method used shall not be injurious to any part nor shall the parts be contaminated by the cleaning agents. Surface coating shall be continuous except for a few slight scratches not exposing base material. The loading and assembly operations shall be performed in a thorough, workma
28、nlike manner consistent with the best practices of the industry. All required markings shall be neat and legible. 3.21.2 Electrical. Cable assemblies and wires shall be dressed in such manner as to prevent pinching or chafing of the wire insulation. Ends of wires shall be free from flux, chips, dirt
29、, grease, rust or foreign material. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. Unless otherwise specified in the contract, the Contractor is responsible for the performance of all inspection requirements as specified herein. Except as otherwise specified in the contract, the
30、Contractor may use his own or any other facilities suitable for the performance of the inspection requirements specified herein, unless disapproved by the Government. The Government reserves the right to perform any of the inspections set forth in the specification where such inspections are deemed
31、necessary to assure supplies and services conform to prescribed requirements. Unless otherwise specified herein or in the contract, the provisions of MIL-A-48078 shall apply and are made a part of this specification. 4.2 Classification of inspections. Unless otherwise specified herein, or in the con
32、tract, the following types of inspection shall be conducted on this item: a. First Article Inspection b. Quality Conformance Inspection 4.3 First article inspection. 4.3.1 Submission. The contractor shall submit a first article sample as designated by the Contracting Officer for evaluation in accord
33、ance with the provisions of 4.3.2. The first article sample shall consist of the following items in sample quantities as indicated: 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-W-63LI6A 13 m 7777706 0350742 7 m MIL-W- 6 34 6 8A (AR) Part Des
34、cription Drawinq Charge, Explusion Assy 9334126 M261 Loaded Case Assy 9334122 Warhead, 2.75“ HE: M261 9334097 Quantity 15 25 10 2 4.3.2 Inspections to be performed. See MIL-A-48078 and table I specified herein. 4.3.3 Rejection. See MIL-A-48078 and Table I specified herein. . 6 Provided by IHSNot for
35、 ResaleNo reproduction or networking permitted without license from IHS-,-,-o H a, rl u .d ci Li 4 . H P I 8 rl e rl 10 nl c x e u c H m I- nl 5 m a, c Li * . MIL-W-634bA 13 W 7777706 03507113 O = rl N m . n coa, a O O rll FQE za3 ww 9 Provided by IHSNot for ResaleNo reproduction or networking permi
36、tted without license from IHS-,-,-2 P u w PI cn H H w u 3 O E4 z 0 u N H O 3 f a 3.1 m m 4 ai m m u W a, 5 m O 4 rl W Cu c L! a, U rl CuCuCuCu Cu mmmm m a. . dp OH, imctioa eqaipent designs to the Governinent Esr evaPu2tion and approval prior to any warhead with this type of defect should be handled
37、 with appropriate safety precautions. The test shall be conducted using Government approved equipment and procedures warhead is to provide proper delivery of M73 grenades into target areas from 1000 to 6000 meters from the launching helicopter. Performance shall be evaluated by ground launching a sa
38、mple of 36 M261 warheads, assembled with MK66 Mod 1 motors, from any of the compatible launchers into a permanently contaminated field. Twelve warheads shall be conditioned at -5Oq + 5OF, 12 warheads at +7OoF + 15oF and 12 warheads at +160F + 5OF for a minimum of 8-hours. accomplished by a Governmen
39、t approved Ballistic Firing Test set using fuze time settings of 2.0 seconds to achieve an airburst range of about 1000 meters. Warhead samples shall contain a dye The warheads shall be assembled to MK66 Mod 1 4.5.6 Leakage test. Six warheads shall be subjected to the * 4.5.8 Ballistic test. The tac
40、tical requirement for the Firing and fuze charging-shall be I 16 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-W-63468A (AR) marker to provide a high visibility indication of cargo ejection. Time from launch to cargo ejection and grenade functi
41、on shall be detected and recorded. If three or more payloads fail to eject, the lot shall be rejected. Grenade function is recorded for information only. c 4.5.9 Data requirements. The Contractor shall submit a quality inspection test demonstration and evaluation report in accordance with Data Item
42、Descriptions DI-R-1721 and DI-R-1724 giving the detailed test results. i 17 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-c W U O GI MIL-W-6346A z 2 Y 1 Ln O 9 m O 9 m O 9 m 9 ? m m O 4 9 9 W (v d O m 4 9 Co m 4- O 9 m 9 m 9 i- d 9 E cl (v ?i (v O
43、9 m O O 9 (v O 9 m (v 9 Co m 4- O O Co O 9 m 4 9 ?i ?9 m 9 o 4 9 (v 9 m 9 5 ? m O 9 i- O 9 d 9 (v O 9 N Co b O 9 9 b O (v (v 9 d (v 9 $ m m 4 b (v 9 h 9 m O 9 E 9999906 0350954 ?i d O 9 4- O O 9 (v 5 rD O 9 ?! (v hl O 9 9 m 4- O ni 9 Co O 9 $ m m m 9 W 4 9 O 4 m 5 5 m W m 1 W 4 9 2 9 o 9 b O 9 ?9 m
44、m (v 9 9 d d ? Co O 9 ? 4- m 4. 9 (v 9 b 9 Co 4 9 E m ? b d 9 Co O 9 m d Co hl 9 2 In d rD 9 9 m d (v d m (v O 9 ? d Co 9 i- m O 9 i- Co 9 5 i& m ?i m 4 9 4 9 2 9 m O 9 Co m 9 ?i Ln (v 9 m (v O 9 Co m 9 ?i m d m 9 E cl 5w 1 4- 9 4 9 Co O 9 Co d 9 W h m m 9 4 (v $ m 4 O 9 m m 9 m rl Co d i- 9 5 m W 3
45、 c3 rl (d U O U (u Y w (v u-l O rl al rl ?i (d U (d al P rl rl (d v1 $4 v) .rl Co LI (u a v) $4 1 O s 00 al u u-l O v) al u 2 .rl B 4- h n rl G O .rl U .rl a G O o a al a z rl (u u $7 LI O 18 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-W-b34b
46、A 13 777770b 0350755 7 W _ MIL-W-6 3 4 6 8A (AR) 5. PACKAGING 5.1 Packaging and marking. Not applicable. 5-2 Ammunition data cards. Data card information shall be as specified in MIL-STD-1167- 6. NOTES 6.1 Intended use. The warheads covered by this specification are intended for use as part of the 2
47、.75 Inch Folding Fin Aerial Rocket System. 6.2 Ordering data. See MIL-A-48078. 6.3 Submission of inspection equipment for design approvals. See 6.2 of MIL-A-48078. Submit designs as required to Commander, US Army Armament Research and Development Command, ATTN: DRDAR-QAF-I, Dover, NJ 07801. 6.4 Data
48、 requirements. When this specification is used in an acquisition which incorporates a DD Form 1423, Contract Data Requirements List (CDRL), the data requirements identified below shall be developed as specified by an approved Data Item Description (DD Form 1664) and delivered in accordance with the
49、approved CDRL incorporated into the contract. When the provisions of DAR 7-104.9 (n) (2) are invoked and the DD Form 1423 is not used, the data specified below shall be delivered by the contractor in accordance with the contract or purchase order requirements. cited in the following paragraphs. Deliverable data required by this specification is Paragraph No.
