1、flIL-A-5I1372 13 m 7777706 0333773 I m b. _- I MIL-A-5137 2( I , MILITARY SPECIFICATION ADAPTER, BOMB CLUSTER, 750-P0vrrr, M30E2 1. SCOPE 1.1 “his specification covers one type of adapter. 2. APPLICABLE DOCWENTS 2.1 The following documents of the issue in effect on date of invita- tion for bids or r
2、equest for proposal, form a part of this specification to the extent specified herein : MILITARY MILSTD-105 - Sampling Procedures and Tables for Inspection by ML-STD-129 - Marking for Shipment and Storage. MIL-STD-1168 - Lot Numbering of Ammunition. fywB235 Attributes. i a;. ; : :;,;-: ;. 1 !.! i; +
3、; i; : I . : b-:;.: * , . ! 0. ;,:&;:; :. .- .:. . n., , I.,. 1 - . I: J , DRAWINGS A- , . QsiZms?%5B.f. :;. ;,. I. .- 3.1 Material and components. 3.1.1 Material. II_- All materials cited on Drawing E14-23-4080 or on the subsidiary drawings shall conform to the specifications listed thereon, or to
4、the specific characteristics set forth on the drawings, Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-A-51372 13 9 777770b 0333774 3 W MIL-A-51372 (MU) - - -I . . .I 3.1.2 Components. All components of the adapter shall conform to the specifica
5、tions and drawings listed on Drawing E14-23-4080 and subsidiary drawings. ?.l. It .,- I- *_ I :!:;., .! %;, .,: ,.ii. , r. . . -3 - 3.2 Assembl . The adapter shall be assembled as specified on Drawing Elk-23- Ty 080 3.3 Leakage. The adapter shall not leak when tested as specified in 4.4.4.1. 3.4 Gas
6、ket joint. The gasket joint shall not show evidence of sep- . aration when tested as specified in 4.4.4.2. 3.5 Preproduction. Prior to the start of regular production, a pre- production sample of adapters shall be produced in accordance with this specification for examination and tests ( see 4.3) .
7、3.6 Workmanship. The adapter shall be free from foreign matter (oil, grease or dirt) and damage such as dents, cracks or deformation which could affect its intended use. 4. QUALITY ASSURANCE PROVISIONS 4.1.1 Responsibility for inspection. 4.1.1 Supplier s responsibility. Unless otherwise specified i
8、n the contract or purchase order, the supplier is responsible for the perform- ance of all inspection requirements as specified herein. wise specified in the contract or order, the supplier may use his own or any other facilities suitable for the performance ofthe inspection re- quirements specified
9、 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 necessary to assure supplies and services conform to prescribed requirements. Except as other- 4.1.2 Objective evidence.
10、 The supplier shall provide objective evidence 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 inspection. The inspection requirements spec- ified her
11、ein are classified as follows: (a) Preproduction inspection (see 4.3). (b) Quality conformance inspection ( see 4.4) r- i, - I , :. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-A-51372 13 m 7777906 0333775 5 m - - L MIL-A-51372( MU) 4.3 Prep
12、roduction inspection. 4.3.1 Sample. A preproduction sample of 10 adapters shall be manufactured using the same methods, materials, equipment and pro- cesses as will be used during regular production. 4.3.2 Inspection procedure 4.3.2.1 For examination and nondestructive test (4.4.4.2). Each adapter s
13、hall be examined and tested in accordance with the classifi- cation of defects (4.4.3.3). The AQLs do not apply. 4.3.2.2 For nondestructive test (4.4.4.1). Each adapter shall be tested as specified in 4.4.4.1. 4.3.3 Acceptance/rejection criteria. The preproduction sample shall comply with the examin
14、ations and tests specified in 4.3.2 to be accept- able. The acceptance number is zero. approval from the contracting officer prior to proceeding with regular product ion. The supplier shall obtain written 4.4 Quality conformance inspect ion. 4.4.1 Lotting. Each lot shall be identified and controlled
15、 in accord- ance with MIL-STD-1168 and consist of one weeks production. 4.4.2 Sampling for examination and nondestructive test s. Sampling shall be conducted in accordance with MIL-STD-105. 4.4.3 inspect ion procedure. 4.4.3.1 For examination and nondestructiye test (4.4.4.2). The sample adapters sh
16、all be examined and tested in accordance with the classification of defects and MIL-STD-105. 4.4.3.2 For nondestructive test (4.4.4.1). Each assembled adapter in each lot shall be tested in accordance with 4.4.4.1. shall be rejected (see 6.3). Leaking adapters 4.4.3.3 Classification of defects. (a)
17、Adapter, bomb cluster, 750-poundI P130E2 (Drawing Elk-23-4080) , c Cat egories Defects “ Critical : None defined 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-A-51372 (MU) 4.4.3.3 Classification of defects (Continued). (a) Adapter, bomb clust
18、er, 750-pound, M30E2 (Drawing E14-23-4080) . (continued) . Categories Defects Major : AQL 1. O percent dei ect ive *lo1 y102 103 104 10 5 107 108 109 110 i06 Cmponent missing, incorrect or incorrectly assembled Thread ( 1-3/4-12-2B) incorrect (Drawing Ci4-23-4068) Shell length or width incorrect Hoo
19、k location or attachment incorrect Spotweld edge distance incorrect Suspension lug incorrectly assembled Fin orientation marking missing or incorrect Adapter sealing plane warped beyond drawing tolerance Sealing edge location with respect to hinge incorrect Worhanship ( 3.6) Minor : 201 AQL 4.0 perc
20、ent defective Protective finish missing or incorrect *Check prior to assembly. (b) Gasket, extruded (Drawing C14-23-3144). Categories Defects Acceptance standards Critical : None defined Major: AQL 0.65 percent defective 101 Joint separation 4.4.4,2 (c ) Tube, hinge (Drawing B14-23-3033) . Categorie
21、s Defects Critical : None defined Major: AQL 1.0 percent defective 101 Hardness incorrect 102 Material incorrect 4 c .r L. . c Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-A-51372 13 999970b 0333977 - - 4.4.4 Tests. Tests shall be conducted a
22、s follows: 4.4.4.1 Leakwe. This test shall be performed prior to painting. Introduce air into the adapter at a pressure of 20 2 5 pounds per square inch gage (psig) a position that will allow it to be revolved around its longitudinal axis. A sufficient amount of wetting agent shall be in the water t
23、o prevent bubbles from clinging to the surfaces. Observe the adapter for a minimum period of 1 minute. a leak. Submerge the adapter cmpletely in water in A steady stream of bubbles denotes 4.4.4.2 Gasket joint. The gasket joint shall be tested in a tensile testing machine. of the machine and the hea
24、ds separated at the rate of 1 inch per min- ute until a minimum load of 300 psig has been applied. held for a minimum of 10 seconds. The gasket joint shall be centered between the heads Load to be 5. PREPARATION FOR DELIVERY 5.1 Packing, level C. The adapters with packaged gaskets shall be packed in
25、 accordance with Drawing Elk-17-435. 5.2 Markina. In addition to any special marking specified in the contract or order, marking shall be in accordance with MIL-STD-129. 6. NOTES 6.1 Intended use. This item is intended for use in grouping certain types of bombs for dispersion by aircraft. 6.2 Orderi
26、ng data. Procurement documents should specify the following : (a) (b) (c) Preproduction. Title, number and date of this specification. The suspension lugs will be Government furnished. (1) (2) (3) Time allowed for supplier sukaniscion of sample for Gov- Name and address of test facility and shipping
27、 instruc- Time required for the Government to notify the supplier ernment test and evaluation after award of contract. tions when testing is performed by the Government. whether or not to proceed with production. 6.3 Repair of leaky adapters. An adapter found to be leaking, may be repaired and retes
28、ted in accordance with 4.4.4.1. - L 5 - -i Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-A-51372 13 m 777770b O333778 O m MIL-A-51372 ( MU 6.4 Supersession data. This specification supersedes Eagewood Arsenal Purchase Description EA-A-1077, 22 May 1970. Custodian : -Mi Preparing activity: Army - mEA) Project No. 13254329 e * U. S. GOVERNMENT PRINTING OFFICE: 1973- 713- 145/768 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
