1、* - MIL-W-63 4 41A (AR) 17 May 1983 SUPERSEDING MIL-W-6 3 4 41 (AR) 2 August 1982 MILITARY SPECIFICATION This specification is approved for use by the U.S. Army Armament Research and Development Command, and is available for use by all Departments and Agencies of the Department of Defense. 1. SCOPE
2、1.1 This specification covers the quality assurance provisions and special requirements not covered by the drawings for parts and assembly of the M267 Multipurpose Submunition (MPSM) Practice Warhead . 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications and standards. Unless other
3、wise 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 specification to the extent specified herein. SPECIFICATIONS MILITARY
4、MILrA-48078 Ammunition, Standard Quality Assurance . Provisions, General Specification for MIL-G-63445 Grenade, General Purpose, Practice, M75 MIL-W-6 40 44 Warhead, 2.75 Inch Rocket, M261 and M267, MIL-F-48877 Fuze, Rocket, M439 Parts or - 4 FSC 1340 r Beneficial comments (recommendations, addition
5、s, deletions) and any pertinent data which may be of use in improvin this document should be addressed. to: Commander, US Army Armament fqesearch and Develo ment Command, Attn. DRDAR-QA, Dover, New Jersey 07801 by using tie self-addressed Standardization Document Improvement Proposal (DD Form 1426)
6、appearing at the end of this document or by letter. 1 . THIS DOCUMENT CONTAINS da PAGES.? Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-W-63441A (AR) STANDARDS MILITARY MIL-STD-3-05 Sampling Procedures and Tables for Inspection by attributes MI
7、L-STD- 3 3 1 Environmental Testing and performance of fuzes and components MIL-STD-8 10 Environmental Test Methods MIL -CTD- 1167 Ammunition Data Cards 2.1.2 Other Government documents, drawinqs and publications. The following other Government documents, drawings and publications form a part of this
8、 specification to the extent specified herein. MISSILE INTERIM SPECIFICATION MIS -3 O 86 2 Rocket, 2.75 Inch, Complete Round with MK66 Motor: Assembling, Packing, and Testing (The Missile Interim Specification is available from the Missile Logistics Center, US Army Missile Command, Redstone Arsenal,
9、 Alabama 35898 .) DRAWINGS US ARMY ARMAMENT RESEARCH AND DEVELOPMENT COMMAND (ARRADCOM) PRODUCT DRAWINGS 9334148 Warhead, 2.75 Inch Practice: M267 (Copies of specifications, standards, handbooks, drawings, and publications required by manufacturers in connection with specific acquisition functions s
10、hould 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 text of this specification shall take precedence. 3. REQUIREMENTS 3.1 Material
11、s. 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-6 3 4 4 1A (AR) 3.2 Components and assemblies. The components and assemblies shall comply with all requiremen
12、ts specified on Drawing 9334148 and associated drawings and with all requirements specified in applicable specifications and standards. 3.3 M75 General Purpose Practice Grenade. The grenade shall comply with specification MIL-G-63445. 3.4 M439 Fuze. The fuze shall comply with specification VIL-F-488
13、77 . 3.5 M267 Warhead metal parts. The metal parts shall comply 3.6 Expulsion charqe. The expulsion charge shall be capable, with specification MIL-W-64044. when initiated by the M439 Fuze, of ejecting the cargo from the warhead in less than 100 msec under all delivery conditions. 3.7 Reliability. T
14、he reliability of the M267 Warhead will be based on reliability of payload ejection from the Warhead case and the functioning reliability of the individual grenades. minimum acceptable value (MAV) of payload ejection shall be 93% and the best operational capability (BOC) shall be 97% at 90% confiden
15、ce. The MAV for the M75 grenades shall be 93.7% with a BOC of 98% at 90% confidence. The 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 M158AlE1 Lau
16、nchers. The main event fuze in the warhead shall be compatible with the electrical characteristics of the Rocket Management Subsystems on Army helicopters. 3.9 Fluoroscopic or radioqraphic inspection. The M267 Warhead shall be fluoroscopically or radiographically examined to verify to the extent pos
17、sible the presence and positioning of all components as well as the absence of foreign material. selected for first article testing shall be radiographically examined with Government approved equipment prior to static or field x-ray firing. permit proper evaluation as determined by the responsible t
18、echnical agency of the Government. Warheads Radiographs shall be of a quality which will 3.10 Warhead weiqht. The weight shall be 13.50 50.25 pounds. 3 o Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-W-634 41A (AR) 3.11 Rouqh handlinq. The warh
19、ead 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 test as specified in 4.5.8. The warhead shall be safe to handle and dispose of following the five foot drop test. 3.12 Temperature. The warhead sh
20、all withstand exposure to and function after a storage temperature of -50% +5*, 709 - + 159, and 160* + 59. exposure to secured cargo vibration as specified in 4.5.3 and shall comply with the ballistic test as specified in 4.5.8. 3.13 Secured carqo vibration. The warhead shall withstand 3.14 Helicop
21、ter vibration. The warhead shall withstand exposure to helicopter vibration as specified in 4.5.4 and shall comply with the ballistic test as specified in 4.5.8. 3.15 Forty foot drog. The warhead assembled to the rocket motor and packaged for shipment shall withstand a 40 foot drop and be safe to di
22、spose of. 3.16 Leakaqe. The warhead shall withstand exposure to the leakage test as specified in 4.5.8 and shall comply with the ballistic test as specified in 4.5.10. Failure criteria shall be water entry into the cargo compartment. 3.17 Charqe circuit continuity (M439 fuze unarmed) . The continuit
23、y 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 performance. The completely assembled round in flight configuration
24、 shall be ballistically tested to comply with the requirements of this specification. 3.19 Data requirements. The contractor shall generate data in accordance with the requirements of the data item descriptions cited in 4.5.9. 3.20 First article inspection. This specification makes provision for fir
25、st article inspection. Requirements for submission of first article samples by the contractor shall be as specified in the contract. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-W-6 3 4 4 1A (AR) 3.21 Workmanshie 3.21.1 Mechanical. Unless ot
26、herwise specified on the drawing, all parts and assemblies shall be free from burrs, chips, sharp edges, cracks, anblended radii, surface defects, dirt, grease, rust, porosity, warpage, burn marks, checks, blisters, excess flash, corrosion products and other foreign matter. The cleaning method used
27、shall not be injurious to any part nor shall the parts be contaminated by the cleaning agents. Surface coating shall be cwtinuous except for a few slight scratches not exposing base material. The loading and assembly operations shall be performed in a thorough, workmanlike manner consistent with the
28、 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, grease, rust or foreign materi
29、al. 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 contractor may use his own or a
30、ny other facilities suitable for the performance of the inspection requirements specified herein, unless disapproved by the Government. of the inspections set forth in the specification where such inspections are deemed necessary to assure supplies and services conform to prescribed requirements. Un
31、less-stherwise specified herein or in the contract, the provisions of MIL-A-48078 shall apply and are made a part of this specification. 6 The Government reserves the right to perform any 4.2 Classification of inspections. Unless otherwise specified herein, or in the contract, the following types of
32、 inspection shall be conducted on this item: a. First Article Inspection b. Quality Conformance Inspection 4.3 First article inspection 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-W-6 3 441A (AR) 4.3.1 Submission. The contractor shall submi
33、t a first article sample as designated by the Contracting Officer for evaluation in accordance with the provisions of 4.3.2. The first article sample shall consist of the following items in sample quantities as indicated: Part Description Drawinq Quantity Charge, Expulsion Assy 9334126 M267 Loaded C
34、ase Assy 9334123 Warhead, 2.75“ Practice: M267 9334148 15 25 , 102 4.3.2 Inspections to be performed. See MIL-A-48078 and Table 4.3.3 Rejection. See MIL-A-48078 and Table I Specified I specified herein. herein. 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license fr
35、om IHS-,-,-e 8 -4 u u aJ II! c H aJ rl u .rl rr, u any warhead with this type of defect should be handled with appropriate safety precautions. The test shall be conducted using Government approved equipment and procedures. * 4.5.8 Ballistic test. The requirement for the warhead is to provide proper
36、delivery of M75 grenades into target areas from 1000 to 6000 meters from the launching helicopter. Performance shall be evaluated by ground launching a sample of 36 M267 warheads, assembled with MK66 Mod 1 motors, from any of the compatible launchers. Twelve warheads shall be conditioned at -50* 5 5
37、*, 12 warheads at +70* f. 15* and 12 warheads at +160* + 5* for a minimum of 8 hours. charging shall be accomplished by a Government approved Ballistic Firing Test set using fuze time settings of 2, 8, 14 and 20 seconds. Warhead samples shall contain a dye marker to provide a high visibility indicat
38、ion of cargo ejection. Time from launch to cargo ejection and grenade function shall be detected and recorded. Firing and fuze 16 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-W-63441A (AR) If three or more payloads fail to eject or 14 or more
39、grenades fail to function, the lot shall be rejected. 4.5.9 Data requirements. The Contractor shall submit a quality inspection test demonstration and evaluation report in accordance with Data Item Descriptions DI-R-1721 and DI-R-1724 giving the detailed test results. 5. PACKAGING 5.1 Packaging and
40、mar king. Not applicable. 5.2 Ammunition data cards. Data card information shall be as specified in MIL-STD-1167. 17 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-IIL-W-6394LA 13 W 7777906 0350557 T = o s n cn GE32 U m . In O O In O 3 In O O m O .
41、Q ? In O O d o N 3 d O In d O a) m d 3 0 O . vr O h d O n E N N N O O . m O O 3 N O 3 vr N O . a) vr . o 3 3 a) O In d O N o In O o 4 3 N 3 vr O 5 N . m O O . h O 3 4 O N O O . a) N I- O O . h O O . N N 3 d N O . m 3 2 I- . N 3 I- 3 Q O O . 2 N d O 3 ;5 9 O N O o O O . N -? N O O v ;if 3 N O a) O O
42、. Q ? ln In 9 o d 3 2 m 3 5 3 In 1 o 4 O . 2 3 o 3 I- O 3 m o . In N 9 3 4 d N a) O 3 ? ;5 4 In N 9 h O a) FI 3 f In In h d 3 a) O O vr d a) N O In 4 4 . o 9 3 In 4 N d ln N O . 3 m d . m 9 h m O 3 I- . ao 3 5 * a) . m N In d 3 d 3 a) m O . QI N N O In vr O N QI d . m 3 1 I-l 9 a) O O a) d O . o I-
43、. vr In 3 d . In d O O . Q . m O I? . 2 . h O m o 8 al F, X N CI O cd u cd al P a) al 9 u O al .Eu 4 h d do a) 4 t I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-W-63441A (AR) 6. NOTES 6.1 Intended use. The warheads covered by this specificati
44、on are intended for use as part of the 2.75 Inch Folding Fin Aerial IZocket System. 6.2 Ordering data. See MIL-A-48078. 6.3 Submission of inspection equipment for design approvals. CJe 6.2 of MIL-A-.48078. Submit designs as required to Commander, US Army Armament Research and Development Command, AT
45、TN: DRDAR-QAF-I, Dover, NJ 07801. 6.4 Data requirements. When this specification is used in an acquisition which incorporates a DD Form 1423, Contract Data Requirements List (CDRL) I the data requirements identified below shall be developed as specified by an approved Data Item Description (DD Form
46、1664) and delivered in accordance with the 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 requirment
47、s. Deliverable data required by this specification is cite in the following paragraphs. Paragraph Da ta Requirement Applicable DID 6 4.5.9 4.5.9 Quality Inspection Defect DI- R- 17 2 1 Report Quality Inspection DI-R-1724 Test Demonstration and Evaluation Report (Data item descriptions related to thi
48、s specification, and identified in section 6 will be approved and listed as such in DOD 5000.19Lr Vol. II, AMSDL. Copies of data item descriptions required by the contractors in connection with specific acquisition functions shoud be Dbtained from the Naval Publications and Forms Center or as direct
49、ed by the- contracting officer. ) 6.5 First article. When a first article is required for inspection and approval, see 3.20 and 4.3. 19 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-W-63441A (AR) 6.6 Government furnished parts and support. The Procuring Agency will provide support components and facilities
