1、M I L- B-I 9 9 OGA(WEP) IAUGUST 1361 SUPERSEDING M IL- B- I9 9 O 6 (AER) I MAY 1957 MILITARY SPECIFICATION BOMB RACK AND ROCKET LAUNCHER, CQMBINATION, AERO 15 SERIES “his specification has been approved by the Bureau of Naval Weapons, Department of the Navy. 1. SCOPE * 1.1 Scope - This specification
2、 covers the manufacture, inspection and testing of one type of combinationbomb rack and rocket launcher designated as Bomb Rack and Rocket Launcher, Combination, Aero 15 Series, and hereinafter referred to simply as rack. 2. APPLICABLE DOCUMENTS * 2.1 General - The following documente, of the issue
3、in effect on the date of invitation for bids, form a parts specification to the extent Bpecified herein: SPECIFICATIONS Military MIL-P-116 Preservation, Methods of MIL-E-5400 Electronic Equipment, Aircraft, General Specification for MIL-T-7743 Testing, Store Suspension Equipment, General Specificati
4、on for MIL- P- 7936 MIL-B- 21034 Parts and Equipment Aeronautical, Preparation for Delivery Bomb Arming Unit Assemblies, Aero 2A-I, 2A-2, 2A-3 and 2B MIL-H-22161 Hook, Bomb Rack, Aero 15 Series MIL-D-70327 Drawings, Engineering and Associated Lists STABARDS Federal FEIZ-STD-151 Metals, Test Methods
5、Miiitary MIL-STD-129 Marking for Shipment and Storage 1 - Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B- 199066 (WEJ?) MIL-STD-143 Specification and Standards, Order of Precedence for the Selection of MIL-STD-704 Electric Power, Aircraft, Cha
6、racteristicis and Utilization of DRAWINGS Bureau of Naval Weapons 55A82ASK-1 Drawing index, Bomb Rack and Rocket Launcher Combination, Aero 15B 55A154ASK- 1 5 5A 1 54A SK- 7 Drawing index, Bomb Rack and Rocket Launcher Combination, Aero 15C Drawing Index, Bomb Rack and Rocket Launcher Combination, A
7、ero 1561 60A 11 9- 1 Drawing List, Bomb Rack and Rocket Launcher, Combination Aero 15D Aero 2A-1 5.0-Inch Rocket Motor Mk 10 Mod 6 Button Lug Band 58A154ASK-4 Drawing Index, Bomb Arming Unit 563178 563185 5.0-Inch Rocket Motor; Mk 10 Mod 6 Tunnel Lug Band 655885 5.0-inch Rocket Mk 28 Mod 4 (Aircraft
8、 General mirpose); Outline Drawing 1283673 Mk 25 Mod 1 Primer * 2.2 Availability of Documents (1) When requesting specifications, standards, drawings, and publications refer to both title and number. Copies of this specification and applicable specifications required by contractors in connection wit
9、h specific procurement functions may be obtained upon application to the Commanding Officer, Naval Supply Depot, Code CDSj 5801 Tabor Avenue, Philadelphia 20, Pennsylvania, (2) Applicable drawings may be obtained upon request to the Commanding Officer, Naval Supply Depot, Code CDD, 5801 Tabor Avenue
10、, Philadelphia 20, Pennsylvania. 3. REQUIREMENTS 3.1 Parts and Materiais - Parts and materials used in the maimfacture of the rack shall conform to the applicable specifications as specified herein or as listed on the applicable drawings. Material conforming to contractbfs specifications may be use,
11、 provie the specifications are approved by the procuring agency, are equivalent to the Government specifications and contain re- quirements for adequate tests of the materiai. me use of contractors specifications shall not con- stitute a waiver of Government inspection. All materials shall be o? the
12、 lightest practical weight and entirely suitable for the intended purpose. When materials are used which are procured under com- mercially recognized, non-Government specifications, a certificate acceptable to the Government Inspector, showing compliance with such specificatiws, shall be furnished b
13、y the supplier of such material. 2 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-19906A NEP) * 3.1.1 Criticai and Strategic Materials - Materials shall be chosen on the basis of mia- bility and availability in this country in quantity and f
14、rom consideration of the additions restrictions created during a national emergency. Critical and strategic materials shal be used oniy to the extent considered mandatory for satisfactory operation. The contemplated use of these materials shall be brought to the attention of the procuring agency wit
15、h appropriate justifications therefor and SM be subject to approval of the procuring agency. *3.1.2 Selection of Materials - Specifications -d standards for all materiais, parts, and Government certification and approval of processes and equipment, which are not specifidly desig- nated herein and wh
16、ich are necessary for the execution of WS specification shall be selected in accordance with MaL-STD-143. * 3.1.2.1 Standard Parts - Standard parts (MS, AN or JAN) shall be used wherever they are suitable for the purpose, and shm be identified on the drawing by their part numbers. Commercial utility
17、 parts such as screws, bolts, nuts, cotter pins, etc. , may be used, provided they possess suitable properties and are replaceable by the standard parts (MSj AN or JAN) without alteration and provided the corresponding standard part numbers are referenced in the parts list and, if practicable, on th
18、e contractors drawing. in the event there is no suitable corresponding standard part in effect on date of invitation for bids, commercial parts may be used, provided they conform to ail require-. ments of this specification. Weight Reduction - The contractor shall make every effort to reduce the equ
19、ipments over-all weight without impairing the function, operation or durabiity. All changes that are required to accomplish weight reduction shail be subject to written appromi by the procuring agency prsor to incorporation. 3.1.2.2 * 3.3.s Hook, Bomb Rack, Aero-15 Series - Hooks conforming with Spe
20、cification MIL-H-22161 SU be used with the rack, The combination of rack and hooks shall meet ail require- ments of this specification satisfactorily. MLL-B-21034 shail be used with the Bomb Rack Aero -15 Series. The combinationsf arming assembly and bomb rack shall meet ail applicable requirements
21、of this specification. * 3.1.4 Arming Assemblies - Bomb arming unit assemblies conforming to Specification 3.2 Design and Construction - 3.2.1 Conformance to Drawings and Specifications - The Bomb Rack and Rocket Launcher, Combination, Aero-15 Series shaii be constructed in accordance with the appli
22、cable drawings, specified in 2.1. The purpose of the performance requirements specified in Section 4 is to verify that the contractor has complied with such drawings. in the event that the contractor ascertains during the performance of the contract that compliance with such drawings will result in
23、production of equipment that wiil not meet ail the requirements of Section 4 , the contractor shall promptly notifj the procuring agency of such discrepancy. No departure from or revision to the drawings or this specificatim ahali be made without written approval from the procuring agency, applicabl
24、e conditionson m-T-7743, from a 28 voit power source with characteristics and limits as defined in MIL-STD-704. * 3.2.2 input Power Requirements - This equipment shall pe*-rm satisfactorily under all * 3.2.3 interchangeability - All parts having the same manufacturerls part number shall be directly
25、and completely interchangeable with each other with respect to instailation and performance. Changes in manufacturers part numbers shaU be governed by the drawing number requirements of Specification MIL-D-70327. ahall be free from excesive marks, grooving, indentations, cracks, flaws and any other
26、injurious defects which may impair the serviceability of the assembled equipment. Ali electrical componente- and wiring shall be installed in accordance with the workmanship requirements of Specification MIL-E-5400. AU workmanehip shall be f a quality satisfactory to the procuring agency. 1 Provided
27、 by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3.3.1 Manufacturing and Finish - Manufacturing processes and finishes shall be as shown on the applicable drawings specified in 2.1 unless otherwise approved by the procuring agency, (see 3.2.1). The responsibi
28、lity shall be assumed by the contractor for any malfunction or failure of the parts of the assembled equipment to pass tests specified herein due to unsatisfactory fits, clear- ance, tolerances, internal stresses or finishes. contractors responsibility, Any defects in items, parts and materials disc
29、overed during the inspection and testing shall be corrected by the contractor at his expense. Such corrective measures as may be found necessary shall likewise be incorporated in all subsequent bomb racks offered for acceptance under the contract. * 3.4 Correction of Defects - Parts not supplied by
30、the Government shall be considered Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MLi-B-19906A (WEP) 4. QUALITY ASSURANCE PROVISIONS - - 4.1 General - Equipments shali be subjected to the foUowimg tests to determine compliance with ail theable requi
31、rements: (1) Preproduction Tests - (4.2) (2) Acceptance Tests - (4.3) Test Samples - The equipments used for preproduction and sampling tests sM1 not be considered as equipments under the contract. They are to be supplied as equipments over and above the quantity specified for delivery in the contra
32、ct. Samples may be returned to the contractor or retained at the option of the procuring agency. Test Conditions - The test conditions for all tests shall be as defined in Specifi- cation MIL-T-7743, unless otherwise specified. * 4.1.1 * 4.1.2 * 4.2 Preproduction Tests - Preproduction tests shall be
33、 accomplished at a Govern- ment selected laboratory under the responsibiiity of the procuring agency. Five samples shall be se- lected for preproduction tests. These samples shall be the first five equipments produced using production tools. Prior to selecting these five samples for preproduction te
34、st each shall success- fully pass the tests specified for individual tests. These tests shall be conducted by the contractor and results of these tests shall accompany the five samples sent to the Government selected laboratory for preproduction test8, Preproduction tests shall consist of all the te
35、sts specified in 4.4 and con- ducted in the sequence o% TaMe I. Any defects or failures occurring duhg these tests shali be cause for tentative rejection of the preproduction samples. AU rejected samples will be returned to the contractor for rework or correction of defects when considered practical
36、 and feasible by the procuring agency, othemhe the contractor WU be required to submit additional samples for retest in lieu of the reworked samples. Preproduction Approval - Approval of the preprouction wnples skall be by the procuring agency upo-on of all tests. No production equipments or lot sam
37、ples shail be delivered prior to approval of the preproduction samples. Prefabrication of production equipment prior to the approval of the preproduction models is at the contractors own risk, The approved preproduction samples wiil be returned to the contractor for his use in the fabrication and te
38、sting of equipment to be submitted for acceptance. shall be composed of equipment which has successfully passed the individual tests, Acceptance tests shall consist of the following: 4.2.1 4.3 Acceptance Tests - Acceptance of equipment shall be on a lot basis. Each lot (1) Individual Tests (2) Sampl
39、ing Tests * 4.3.1 individual Tests - Individual Tests shall be accomplished, wider the responsibility of the contractor, on each equipment submitted for acceptance under the contract. The contractor shall maintain test reports showing the quantitative results for all individual tests. Such reports s
40、hall be signed by an authorized representative of the contractor and this data shall be made available to the procuring agency upon request. individual tests shail consist of the following tests: (1) Inspection of Product (4.4.1) (2) Operational Tests (4.4.2) - (3) Rocket Instailation Test (4.4.3) (
41、4) Rocket Release Mechanism Test (4.4.4) t - - Launcher Latch Test (4.4.5) 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-19906A (WEP) (6) Arming Mechanism Test (4.4.7) (7) Electrical Fuse Arming Mechanism Test (4.4.8) Sampling Tests - Sampl
42、ing tests shall be conducted at a government laboratory under the responsibility of the procuring agency. Sampling tests shall be conducted on samples selected from lots of equipment which have successfully passed the individual tests. Samples to be tested shail be selected at random by the governme
43、nt inspector in accordance with the following lot schedule and forwarded to the government selected laboratory for testing. A lot shall not exceed 300 racks except with the approval of the procuring agency. Samples SU be suitably labeled to identify them with a particular lot: “4.3.2 Lot Sizes of Eq
44、uipment Offered for Acceptance Quantity of Samples per Lot to be Tested 1 to 99 2 100 to 199 3 200 to 300 4 Sampling tests shall consist of the following tests performed in the sequence of Table I, unless specified otherwise by the procuring agency: (i) inspection of Product (4.4.1) (2) Operational
45、Test (4.4.2) (3) Rocket installation Test (4.4.3) (4) Rocket Release Mechanism (4.4.4) (5) Launcher Latch Test (4.4.5) (6) Emergency Jettisoning Mechanism (4. 4.6) (7) Arming Mechanism (4.4.7) (8) Electrical Fuse Arming Mechanism (4.4.8) (9) Vibration .Test Bomb Pgrtion, Rocket Portion (4.4.9) (10)
46、impact Test (4.4.10) (11) O;O2O-second pulse to release the bomb. This operation shall be repeated three times. After the third release, the bomb on - The dynamic tests specified in Specification MIL-T-7743 shaU be modified where necessary sr, that the tests are accomplished in each of the six direc
47、tions parailel to the three principal axes of the rack. The load factors (G values) whenthe rack is carrying a 500 pound G. P. bomb (Mlr 82 Mod 1) shall be according to the following table, The center of gravity of the bomb is approximately 6.38 inches below the bearing surfaces of the lugs and 7.00
48、 inches aft of the forward lug. Direction Vertical Down Load Factors (0%) 12.7 Vertical Up 7-2. Longitudinal Forward 9,9 Longitudinal Aft 9, o Port Starboard -. / 8.3 8.3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-19906A (WEP) 4.6.2 Static
49、 Test Loads (Bomb Portione - The following are the critical limit inertial loads on the rack when carrying the 600 pound G. P. bomb (AN-MMA1). The center of gravity of the bomb is 7.93 inches below the bearing surfaces of the lugs and 7. O inches aft of the forward lug. Condition V - pounds S - pounds D 7 pounds PM - inch pounds Y. M. - inch lbs. mxht (cl -3360 -4390 1020 9680 -12850 mat (4 -1980 -3120 -840 -23200 12860 Arrested NOTES: Landing - 1600
