1、27-3 7-47 MIL-L-51272C 13 M 777770b 0333677 1 MIL-L-51292C( EA) 25 September 1987 SUPERSEDING MIL-L-51292B( MU) 9 June 1970 MILITARY SPECIFICATION LAUNCHER AND GRENADES, SMOKE: HC AND WP, 176 This specification is approved for use within U.S. Aw Chemical Research, Development and Engineering Center,
2、 Department of the Army, and is available for use by all Departments -and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers one type of launcher for dispensing grenades . 2. APPLICABLE DOCUMENTS 2.1 Government documents . 2.1.1 Specifications and .standards . The f
3、ollowing specifications and stan- dards form a part; of this specification to the extent specified herein. otherwise specified, the issues of these documents shall be those listed in that issue of the Department of Defense Index of Specifications and Standards (DODISS) and supplement thereto, cited
4、in the solicitation. Unless SPECIFICATIONS FEDEFULL NN-P-530 - TT-1-572 - PPP-B-621 - PPP-F-320 - PPP-T-66 - Plywood, Flat Panel. Wood Preservative: Water-Repellant. Boxes, Wood, Nailed and Lock-Corner. Fiberboard: Tape , Packaging, Vinyl Plastic Film. Corrugated and Solid, Sheet Stock ( Container G
5、rade) and Cut Shapes. : Beneficial comments (recommendations , additions , deletions) and any perti- : : nent data which may be of use in improving this document should be addressed: : to: Commander, U.S. Army Chemical Research, Development and Engineering : : Center, ATTN: SMCCR-SPT-S, Aberdeen Pro
6、ving Ground, MD 21010-5423 by using: : the self-addressed Standardization Document Improvement Proposal (DD Form : : 1426) appearing at the end of this document or by letter. AMSC N/A FSC - 1330 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. /- THIS DOCUMENT CONTAI
7、NS 9 PAGES. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-L-51292C ( EA) MILITARY MIL-C-2439 - Containers, Ammunition, Fiber, Spirally Wound. MIL-G-12327 - Grenade, Hand, Smoke, HC, AN-M8. STANDARDS MILITARY MIL-STD-105 - Sampling Procedures an
8、d Tables. for Inspection by Attributes. MIL-STD-129 - Marking for Shipment and Storage. MIL-STD-709 - Ammunition Color Coding. MIL-STD-1168 - Ammunition Lot Numbering. P. 2.1.2 Drawings and publications. The following drawings and publications form a part of this specification to the extent specifie
9、d herein. wise specified, the issues shall be those in effect on the date of the solicita- .1 Unless other- x DRAWINGS U.S. ARMY CHEMICAL RESEARCH, DEVELOPMENT AND ENGINEERING CENTER 13-12-1 - Launcher and Grenades, Smoke: HC and WP, M176. 13-12-19 - Packing for Grenade Launcher, m76. 13-12-20 - Mar
10、king Diagram for Grenade Launcher, M176. 13-12-21 - Palletization for Grenade Launcher , 176. PUBLICATIONS U.S. ARMY CHEMICAL RESMCH, DEVELOPMENT AND ENGINEERING CENTER R14-9 - Inspect ion Standard for Fluoroscopic or Radiographic Evalua- tion of; Launcher and Grenade, HC and WP, 176. ( Copies of sp
11、ecifications, standards , drawings , and publications required by contractors in connection with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting 2.2 Order of precedence. In the event of a conflict between the text of this specificatio
12、n and the references cited herein ( except for associated detail specifications, specification sheets or MS standards) , the text of this specification shall take precedence. shall supersede applicable laws and regulations unless a specific exemption has been Obtained. Nothing in this specification,
13、 however, 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-T- - MIL-L-51272C 13 7777906 0333683 T . MIL-L-51292C ( EA) 3 0 REQUIRESIENTS 3.1 kterials and components. 3.1.1 Materials. All materials cited on Drawing 13-12-1 and on the subsid- iary dra
14、wings shall conform to the specifications thereon or to the specific characteristics set forth on the drawings. 3.1.2 Components. All components shall conform to the specifications and drawings listed on Drawing 13-12-1 and subsidiary drawings, as applicable. AN-M8 grenades produced more than 90 day
15、s prior to assembly into launchers shall be tested within 90 days prior to assembly into launchers and meet the functional requirements of MIL-G-12327. The 3.2 Assembly. The launcher shall be assembled as shown on Drawing 13-12-1. 3.3 Radiographic or fluoroscopic evaluation. The launcher shall be ra
16、dio- graphed or fluoroscoped for missing components, in accordance with 4.4.4.1. 3.4 Leakage. The launcher shall not leak air when submerged in water at a temperature of 170“ + 10“F, for a period of 30 to 35 seconds when tested in accordance with 4.4.6.2. 3.5 Functioning. The launcher shall eject th
17、e grenades to an average impact distance of 100 to 170 feet based on the average of the entire sample that functioned. However, no grenade shall impact at a distance of less than 80 feet. separate on or before impact and the grenades shall ignite and emit a smoke cloud. above the horizontal, and the
18、 front underside of the launcher shall be 77 + 1 inch above the average impact area, 100 to 170 feet down range. in accordance with 4.4.4.3. In addition, the two components of the sabot (holder and cover) shall Angle of elevation for firing test stand shall be 33 t1/2 degrees Test shall be 3.6 Low t
19、emperature. The launcher shall function subsequent to a condition- ing period of 48 + 1 hours at a temperature of -25“ + 2“F, when tested in accor- dance with 4.3.3.i. - 3.7 High temperature. tioning period of 48 + 1 hours at a temperature of 125“ + 5“F, when tested in accordance with 4.3.3T2. The l
20、auncher shall function subsequent to a condi- - 3.8 Water immersion. The launcher shall function subsequent to being sub- merged in water at ambient temperature for 60 + 5 minutes and then removed from the water and fired after 24 to 25 hours, in accordance with 4.3.3.3. 3.9 Preproduction. Prior to
21、the start of regular production, a preproduc- tion sample of launchers shall be produced in accordance with this specifica- tion for examination and test (see 4.3). 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3.10 Workmanship. The launcher shal
22、l be free from foreign matter and damage which could affect functioning . 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. Unless otherwise specified in the con- tract or purchase order, the contractor is responsible for the performance of all inspection requirements as specified h
23、erein. Except as otherwise specified in the contract or purchase order, the contractor may use his own or any other facilities suitable for the performance of the inspection requirements speci- fied herein, unless disapproved by the Government. right to perfom any of the inspections set forth in the
24、 specification where such inspections are deemed necessary to assure supplies and s.ervices conform to prescribed requirement s. The Government reserves the 4.1.1 Responsibility for compliance. All items must meet all requirements of sections 3 and 5. The inspection set forth in this specification s
25、hall become a part of the contractors overall inspection system or quality program. The absence of any inspection requirements in the specification shall not relieve the contractor of the responsibility of assuring that all products or supplies submitted to the Government for acceptance comply with
26、all require- ments of the contract. Sampling in quality conformance does not authorize sub- mission of known defective material, either indicated or actual, nor does it commit the Government to acceptance of defective material. 4.1.2 Objective evidence. The contractor shall provide objective evidenc
27、e acceptable to the contracting officer that the requirements of 3.1 and section 5 for which specific inspection has not been provided in this specification have been satisfied. 4.2 Classification of inspections. The inspection requirements specified herein are classified as follows: (a) (b) Preprod
28、uction inspection ( see 4 . 3) . Quality conformance inspection (see 4,4) . 4.3 Preproduction inspection 4.3.1 Sample. A preproduction sample of 30 launchers shall be manufactured using the same methods, materials, equipment and processes as will be used dur- ing regular production. 4.302 Inspection
29、 procedures. 4.3.2.1 For examination. The preproduction sample launchers shall be exam- ined in accordance with the classification of defects, the AQLs are not applica- ble . 4.3.2.2 For destructive test. Sample launchers shall be tested in accor- dance with table I. 4 Provided by IHSNot for ResaleN
30、o reproduction or networking permitted without license from IHS-,-,-MIL-L-51292C 13 m 7979906 0333683 3 m. a TABLE I. Preproduction : Defect to be : observed Quantity 1 Requirements : Test 10 : 3.6 low temperature : 4.3.3.1 and : Duds, misfires, : : sabot fails to : : 4.4.4.3 : short range, or : : 4
31、.4.4.3 : 4.4.4.3 , 10 : 3.7 high temperature : 4.3.3.2 and : separate : 10 : 3.8 water immersion : 4.3.3.3 and : 4.3.3 Tests . - 4.3.3.1 Low temperature. The launcher shall be placed in a cold chamber at the specified temperature for the required period of time, and fired 5 to 6 minutes aft;er remov
32、al from the chamber, or insulated transport container. 4.3.3.2 High temperature. The launcher shall be placed in a hot chamber at the specified temperature for the required period of time and fired 5 to 6 minutes after removal from the chamber, or insulated transport container. 4.3.3.3 Water immersi
33、on. The launcher shall be submerged in water to a depth of 6 to 7 inches, at the specified temperature for the required period of time and then stored for the required period of time. 4.3.4 Rejection. If any assembly, component, or test specimen fails to comply with any of the applicable requirement
34、s, -the preproduction sample shall be rejected, with the exception of dud grenades. be acceptable if it contains a total of three or less dud grenades. ment reserves the right to terminate inspection upon any failure of any assem- bly, component or test specimen to comply with any of the requirement
35、s. contractor shall obtain written approval from the contracting officer prior to proceeding with regular production. The preproduction lot shall The Govern- The 4.4 Quality conformance inspection. 4.4.1 Lottin Each lot shall be identified and controlled in accordance with MIL-STD-11 -% 8. Contained
36、 in any one interfix number of launchers, no more than one interfix number from one manufacture of the following is permitted: (a) M34 grenades (b) M8 grenades (c) M225-propellant cartridges Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-L-51272
37、C 13 777770b 0333b4 5 4.4.2 Sampling. 4.4.2.1 For examination and radiographic or fluoroscopic evaluation. Sam- pling shall be conducted in accordance with MIL-STD-105. 4.4.2.2 For destructive test. Sampling shall be conducted in accordance with MIL-STD-105, level S-3, and an AQL of 4.0, and shall b
38、e taken from the Sam.- ple used for examination (see 4.4.2.1). 4.4.3 Inspection procedure. 4.4.3.1 For examination. Sample launchers and the packaging thereof shall be examined in accordance with the classification of defects and MIL-STD-105. 4.4.3.2 For leakage. Each launcher in the lot shall be te
39、sted in accordance with 4.4.4.2. 4.4.3.3 For destructive test. Sample launchers shall be tested in accor- dance with table II and MIL-STD-105, with an AQL of 4.0 percent defective with the following exceptions : (a) Grenade dud. Launcher sample size of 13: accept 3, reject 4. Launcher sample size of
40、 20: accept 4, reject 5. (b) Any launcher lot sample which fails to eject the grenades to an average impact distance of 100 to 170 feet shall be cause for rejection. (c) Any launcher lot sample which has a grenade that impacts at a 1 distance of less than 80 feet shall be cause for rejection. TABLE
41、II. Functioning 6 Attribut e : Test : Misfires : 4.4.4.3 : : Sabot fails to separate : 4.4.4.3 : Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-1 MIL-L-SL272C 13 99799Ob 0333b85 7 MIL-L-51292C( EA) a 4.4.3.4 Classification of defects. (a) Launcher a
42、nd grenades, smoke: HC and WP, u76 (Drawin5 13-12-1 Categories Defects Critical: None defined Major: AQL 0.10 percent defective Acceptance standard 101 Component missing or incorrectly assembled 4.4.4.1 AQL 1.0 percent defective 102 Gasket seal missing Excessive scoring of cap crimp 104 Marking inco
43、rrect or illegible 105 Dents in surface of cap i06 “103 Workmanship ( see 3 .lo) *Definite cut or groove on the crimped metal surface of the cap caused by excessive pressure or misalignment of the roller. Packaging (see section 5 ) . Cat egories Defects Critical: None defined Major: AQL 4.0 percent
44、defective 101 Loose pack 102 Loose strap 103 Marking incorrect or illegible 4.4.4 Tests. 4.4.4.1 Radiographic or fluoroscopic evaluation. The launcher shall be - evaluated in accordance with Inspection Standard Rib-9. The launcher, in a horizontal position, shall be submerged 4.4.4.2 Leakage. in wat
45、er at the specified temperature, to a depth of 1 + 1/4 inch for the required period of time. bubbles from clinging to the surface of the launcher. The water should contain a wetting agent to prevent 4.4.4.3 Functioning, test fixture at the specified elevation. aft end of the launcher. The launcher s
46、hall be fired from the APE 1951-0000 The range shall be measured from the 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-L-51292C( FIA) 5. PACKAGING 5.1 Packaging, level A. Eight grenade launchers shall be packed in accor- The box or the wood
47、parts thereof shall be pre- dance with Drawing 13-12-19. served by completely immersing in a water-repellent wood preservative conform- ing to type I or II, composition A, of TT-W-572, for a minimum of 3 minutes. 5.2 Marking. In addition to any special marking required by the contract or order, ship
48、ping containers shall be marked in accordance with Drawing 13-12-20. 5.3 Palletization. When specified in the contract or order, grenade launchers packed in accordance with 5.1 shall be palletized and marked in accor- dance with Drawing 13-12-21. 6. NOTES 6.1 Ordering data. Acquisition documents sho
49、uld specify the following: (a) (b) (c) Palletization when required (d) Preproduciton. Title, number, and date of this specification. The shipment group size and marking, when required. (i) (2) (3) (4) Time allowed for contractors submission of samples for Govern- Destination of samples when testing is performed by the Govern- Packing, shipping and marking instructions, when applicable. Time required for the Government to notify the contra
