1、i MIL-P-20512D( EA) 12 May 1987 SUPERSEDING MIL-P-20512c ( EA) 14. February 1978 MILITARY SPECIFICATION PROJECTILE, 155bM, SMOKE, HC BE, 1.161, LOADING, ASSEMBLING AND PACKING This specification is approved for use within U.S. Army Chemical Research, Development and Engineering Center, Department of
2、 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 the loading, assembling , and packing of Projectile, 155Mk, Smoke, HC, BE; Mi16A1. 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications a
3、nd standards. The following.specifications and stan- dards form a part of this specification to the extent specified herein. Unless otherwise specified, the issues of these documents chail be those listed in the issue of the Department of Defense Index of Specifications and Standards (DODISS) and su
4、pplement thereto , cited in the solicitation. SPECIFICATIONS MILITARY MILA-2550 - Ammunition, General Specification For. : 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
5、.S. Army Chemical Research, Development and Engineering : : Center, ATTN: SMCCR-SPT-S, Aberdeen Proving 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. FSC 1320 AMSC N/A THIS DOC
6、UMENT CONTAINS /o PAGES. DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. 0303322 L m MIL-P-20512D( EA) STANDARDS MILITARY MIL-STD-105 - Sampling Procedures and Tables
7、 for Inspection by Attribut es. MIL-STD-129 - Marking for Shipment and Storage. MIL-STD-1168 - Ammunition Lot Numbering. MIL-STD-1235 - Single and Multilevel Continuous Sampling Procedures . MIL-STD-1167 - Ammunition Data Card. and Tables for Inspection by Attributes. 2.1.2 Drawings. The following d
8、rawings form a part of this specification to the extent specified herein. those in effect on the date of the solicitation. Unless otherwise-specified, the issues shall be DRAW1 NGS U.S. ARMY ARMAMENT, MUNITIONS AND CHEMICAL COMMAND ARMAMENT RESEARCH, DEVELOPMENT AND ENGINEERING CENTER 7549275 - Pall
9、et for i55 MM Projectile. CHEMICAL RESEARCH, DEVELOPMENT AND ENGINEERING CENTER 8885162 - Projectile, i55 MM, Smoke, HC, BE, 1161 Withoui Fuze. (Copies of specifications, standards, anddrawings required by contractors in connection with specific acquisition functions should be obtained from the con-
10、 tracting activity or as directed by the contracting activity.) 2.2 Order of precedence. In the event of a conflict between the text of this specification and the references cited herein ( except for as.sociated detail specifications , specification sheets or MS standards) , the text of this specifi
11、cation shall take precedence. shall supersede applicable laws and regulations unless a specific exemption has been obtained. Nothing in this specification, however, 3. REQUIREMENTS 3.1 Materials. Materials shall be in accordance with applicable drawings and specifications. 3.2 Projectile. The projec
12、tiles shall comply with all requirements speci- fied on Drawing 8885162 , and applicable specifications. 3.2.1 Expelling charge assembly. There shall be no evidence of loose black powder in the fuze threads or fuze well area of the projectile after load, Provided by IHSNot for ResaleNo reproduction
13、or networking permitted without license from IHS-,-,-a MIL-P-20512D( EA) assemble and pack or evidence of a broken or cracked expelling charge assembly prior to insertion of the lifting plug. considered a critical defect (see 4.2.3.2). Evidence of either condition is 3.3 Proving ground. The projecti
14、les shall comply with the following requirements when tested as specified in 4.3.1. 3.3.1 Functioning. The projectile shall eject its four canisters during out explosion or disintegration for no less than 57 seconds to i70 seconds for the M1 canister and 27 seconds to i40 seconds for the M2 canister
15、 (see 4.3.1.1) flight. Each canister, after ejection, shall ignite and emit white smoke with- 3.3.2 Premature functioning and security of parts. There shall be no pre- mature functioning or indication of metaliparts failure within the gun bore or in flight before functioning of the.fuze. 3.3.3 Safet
16、y. There shall be no premature burst or indication of metal parts separation in the gun bore or in flight before functioning of the fuze when fired with the M4A2 propelling charge (zone 7) conditioning at 145“ - 5“F, - from a howitzer equipped with an 126 or MlA2 cannon. made for compliance with the
17、 specified requirements of section 4 (see 4.3.1.3 and 4.5h.3) . . Observation shall be 3.4 Workmanship. The assembled projectile shall be free from contamination (oil, rust , grease, foreign material) and damage, including but not limited to; dents, cracks, or deformation which could affect its inte
18、nded use. Care should be exercised at all times to prevent damage (nicks and burrs) to the projectile rotating band . 4 . QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. Uniess otherwise specified in the con- tract or purchase order, the contractor is responsible for the performance
19、of all inspection requirements as specified herein. 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. The Government reserves the right to per
20、form any of the inspections set forth in the specification where such inspections are deemed necessary to assure supplies and services conform to pre sc ribed requirements . Except as otherwise specified 4.1.1 Responsibility for compliance. All items must meet all requirements of sections 3 and 5. T
21、he inspection set forth in this specification shall 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 submitte
22、d to the Government for acceptance comply with all require- ments of the contract. mission of known defective material, either indicated or actual, nor does it commit the Government to acceptance of defective material. Sampling in quality conformance does not authorize sub- 3 Provided by IHSNot for
23、ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-205L2D 13 777770b 0301124T MIL-P-20512D ( EA) 4.1.2 Additional responsibility of contractor. Drawings for contractor designed inspection equipment (other than standard measuring equipment) shall be forwarded to the desi
24、gn agency for approval prior to production (see 6.1(b) ). be supplied for each lot of projectiles. Ammunition data cards prepared in accordance with MIL-STD-1167 shall 4.1.3 Objective evidence. The contractor shall provide objective evidence acceptable to the contracting officer that the requirement
25、s of section 3 and section 5, for which specific inspection has not been provided, have been satisfied. 4.2 Quality conformance inspection. 4.2.1 Lotting. .Each projectile lot shall be identified and controlled in accordance with MIL-STD-1168. Each lot of projectiles shall contain: (a) (b) (c) (d) (
26、e) (f) Bodies of one interfix number from one manufacturer. Parts of one interfix number from one manufacturer. Expelling charges of one interfix number from one manufacturer. Canisters of one interfix number from one manufacturer. Canisters containing reclaimed. smoke mix shall not be mixed with Lo
27、aded projectiles of one weight zone, canisters containing regular smoke mix. - . 4;.2.2 Sampling. Sampling of projectile lots shall be in accordance with MIL-STD-105, level II. sampling plans in accordance with MIL-STD-1235 may be used if approved by the procuring activity. The AQLs shall be as spec
28、ified in 4.2.3.2. Continuous PRECAUTION - This specification covers sampling and testing of chemical toxic or explosive materials which are potentially hazardous to personnel. Accordingly, it is &uphasized that all applicable safety rules, regulations and procedures must be followed in handling and
29、processing these materials. 4.2.3 Inspection procedure. 4.2.3.1 Examination and nondestructive tests. The sample projectiles shall be examined in accordance with the classification of defects (4.2.3.2) and MIL-STD-105 0 4.2.3.2 Classification of defects. See pages 5 through 7. 4.3 Testing, 4.3.1 Pro
30、ving ground. The following test shall be performed as specified in 4.5.1. 4.3.1.1 Functioning (see 3.3.1). Major defect - Beginning with the first lot produced and continuing until three consecutive lots have complied with the 4 Provided by IHSNot for ResaleNo reproduction or networking permitted wi
31、thout license from IHS-,-,- - U flIL-P-20512D 13 m 7777706 0303325 i m MI L- P- 2051 2D ( EA) r VI w c d r Y n 8 Y Y Z O F 2 k v) 3 O E O E 31 E w z ea rz 2 W IA. W a o. a a n I W o m rl cd $2 .rl o3 . sesesese se seese sese se se _. O000 o O00 O0 O0 O0 rlrl rlrl O000 o O00 3335 5 533 x P .lJ x P !2
32、 O V 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- IL-P-20512D 13 j MI L-P- 2051 2D ( EA) M 779706 0301126 7 M % t 8 Cu W e. 8 . O0 o O00 n ii 8 o 2 a, k k k. O a, rnc $g a, o Xk ao 6i a !3 a, *rl o 2 a, k k d %. 6 Provided by IHSNot for ResaleN
33、o reproduction or networking permitted without license from IHS-,-,-H !3 - W 3379906 0301127 O m MI L- P- 2051 2D ( EA) MIL-P-205L2D L3f L M (r O m t W I u) .a o o O000 a al c aj a I+ Cdl 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-20512D
34、( EA) applicable requirements , 27 projectiles shall be randomly selected from each lot for the test. Twenty-five of the projectiles shall be fired for deter- mination of satisfactory functioning ( ejection, ignition, color and burning time of the 100 canister assemblies). assemblies fail to eject,
35、ignite or burn for the required time, the lot shall be rejected. In the event that one or two projectiles fail to show evidence of fuze functioning, additional projectile(s) shall be fired in order that a total of 100 canister assemblies are observed for ejection, ignition, color, and burn- ing time
36、. If a total of nine or more canister 4.3.1.2 Reduced sampling for functioning. After three consecutive lots have met the criteria of 4.3.1.1, eleven projectiles shall be randomly selected from each lot for this test. Ten of the projectiles shall be fired for determina- tion of satisfactory function
37、ing (ejection, ignition, color, and burning time of the 40 canister assemblies). If a total of five or more canisters fail to ignite or burn for the required time, the lot shall be rejected. In the event that any of the projectiles fail to show evidence of fuze functioning, addi- tional projectile(s
38、) shall be fired in order that a total of 40 canister assem- blies are observed for ejection, ignition, color and burning time. -4.3.1.3 Safety (see 3.3.3). Critical defect - Beginning with the first lot produced and continuing until three consecutive lots have complied with the applicable requireme
39、nts, five projectiles shall be randomly selected from each lot for this test. If .any projectiles fail to comply with the requirements, the lot shall be rejected. 4.3.1.4 Reduced sampling for safety. After three consecutive lots have met the criteria of 4.3.1.3, three sample projectiles.shal1 be.ran
40、d0mi.y selected from each lot for the test. If any projectile fails to comply with the require- ments, the lot shall be rejected. 4.3.1.5 Premature functioning and security of parts (see 3.3.2). Critical defects - If any of the sample projectiles used in any of the tests fails to comply with the app
41、licable requirements, the lot shall be rejected. 4.3.1.6 Refiring. If for any reason the proof director considers that the test conditions have detrimentally affected the test results, he shall declare the results invalid and perform a new test on additional rounds as required. 4.4 1. The contractor
42、 shall make available to the Government all inspection equipment necessary for determining conformance with contract requirements. Personnel for operating the equipment and verification of its accuracy shall be supplied by the contractor for the performance of examination or test by the Government.
43、4.5 Test methods and procedures. 4.5.1 Proving ground tests. These tests shall be conducted at a Government proving ground in accordance with the applicable Acceptance Test Procedure. 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-a MIL-P-20512D 1
44、3 9 9999906 030LL27 4 MIL-P-20512D( EA) 4.5.1.1 Functioning. The sample projectiles shall be fired with a zone 7 M4A2 propelling charge in a howitzer equipped with an 126 or MlA2 cannon. 4.5.1.2 Safety. ing charge (M4A2conditioned at 145“ - 5F from a howitzer equipped with an 126 or M1A2 cannon. req
45、uirements (see 4.3.1.3 and 4.5.1.3). The sample projectile shall be fired with a zone 7 propell- Observation shall be made for compliance with specified 4.5.1.3 Malfunctions. (a) Misfires. The projectile fails to fire from the weapon. (b) Premature functioning and metal parts failure. There shall be
46、 no premature burst or indication of metal parts failure in the gun bore or in the. first 200 yards (182.88 meters) of horizontal range. . (c) evidenced by a flash or-presence of a smoke cloud. Fuze dud. Absence of visible evidence of fuze functioning as (d) Projectile dud. Canister payload failed t
47、o eject. . (e) Lost. Observer(s) fail to see canister ejection or canister burning. - (f) Canister dud. The canister is ejected but no smoking or . burning occurs. (g) Exploder. The canister is ejected and then explodes. This may The metal occur with or without some normal smoke emission. It general
48、ly results from smoke mix anomaly and causes a black cloua at the point of incident. parts commonly have the canister lid or bottom blown out, or both lid and bottom. (h) Disintegrator. The canister is ejected and then splits open (usually into approximately equal segments) dispersing the smoke mix
49、into the air. The metal parts usually have the canister lid on the flash tube. The cloud thus produced is the same color as the fill. (i) begin within 12 seconds, Delayed ignition. The smoke emission from the canister did not (j) Incorrect burn- time. The canister smoke emission time is less than 57 or more than i70 seconds for the M1 canister and less than 27 or more than i40 seconds f
