1、MILITARY SPECIF ICA= General Specification for Inspection of Drawings and Data Lists; Preparation of Manufacturerst (For Production Aircraft, Guided . Missiles, Engines, Accessories and Other Auxiliary Equipanent ) Packaging of Lightweight Aircraft Accessories Inspection nlocess, Magnetic Particle I
2、nspection Requirements, Magnetic Particle Finishes and Coating; General Specification for Protection of Aircraft and Aircraft Parts Testing; Store Suspension Equipment, General Specification for Airborne Stores and Assodated Suspension Equipment, General Design Criteria for Sampling Procedures and T
3、ables for Inspection by Attributes DRAWINGS : List of drawings 55A4B28 Ejector, Aero 238 (McLean Laboratories Dug. No. 66-002) and ali drawings listed thereon PBLICAlOlS : Air Force-Navy Aeronautical Bulletin . No. W Specifications and Standards; Use of (When requesting specifications, publications,
4、 standards and drawings, refer to both title and number. and drawings may be obtained upon application to the Commanding Officer, Naval Aviation Supply Depot, Philadelphia, Pennsylvania, Code ODFT) .- Copies of this specification, applicable specifications .- Y- -. pi Provided by IHSNot for ResaleNo
5、 reproduction or networking permitted without license from IHS-,-,-MIL-E-L7527 LO W 777770b O300383 2 W 3. REQUIREMEmS 3.1 Materials: Materials shall conform to applicable specifications and shall be as specified herein, which are not specifically described herein, shall be of the best commercial qu
6、ality, of the lightest practicable weight, and suitable for the purpose intended. 3.1.1 Materials shall be chosen on the basis of suitability and availability in this country and from consideration of the additional restrictions created during a national emergency. be used oniy to the extent conside
7、red mandatory for satisfactory operation, contemplated use of these materias shall be brought to the attention of the procuring service with appropriate justification therefor and shall be subject to approval of the prqcuring service. 3.1.2 Selection of Materials: Specifications and standards for al
8、l materials, parts, and Government certification and approval of processes and equipment, which are not specifically designated herein and which are necessary for the execution of this specification shall be selected in accordance with ANA Bulletin No. l.43. 3.1.2.1 Standard parts (Ms, AN or JAN) sh
9、all be used wherever they are suitable for the purpose, and shall be identified on the drawing by their part numbers. may be used provided they possess suitable properties and are replaceable by the standard parts (Ms, AN or JAN) without alteration, and provided the corresponding standard part numbe
10、rs are referenced in the parts list and, if practicable, on the contractors drawings. in effect on date of invitation for bids, commercial parts may be used provided they conform to all requirements of this specification, 3.1.2.2 equipments over-all weight without impairing the function, operation o
11、r durability. All changes that are required to accomplish weight reduction shall be subject to written approval by the procuring service prior to incorporation. 3.2 bomb rack and eject any stores 6f a nominal weight between and including 100 and 1450 pounds equipped with two suspension lugs spaced U
12、+ inches center to center. The bomb rack and ejector is designed for use in both dive, horizontal and. other types of bombing and its performance shall comply with the requirements of the applicable conditions listed in Specification MIL-T-7743(ASG), except as otherwise noted herein. shall have prov
13、ision for two Mk 2 Mod O cartridges which are electrically ignited, The resulting explosive gases shall cause a secondary piston tcactuate the bomb rack release mechanism and shall cause two main pistons to forcibly eject the store. When ejecting a 1000 pound store, the ejector shall produce a peak
14、force of approximately 9000 pounds, When ejecting stores below 125 lbs., a single Mk 2 Mod O cartridge shall be used and a minimum peak force of 2000 poufids shall be generated, 3*3 Interchaweability: Au. parts having the same manufacturers part number shall be directly and completely interchangeabl
15、e with each other with respect to installation and performance. by the drawing number requirements of Specification MIL-D-5028(ASG). Materials which are not covered by applicable specifications or Critical and Strategic Materials: Critical and strategic materials shall The Standard Parts: Commercial
16、 utility parts such as screws, bolts, nuts, cotter pins, etc., In the event there 5s no suitable corresponding standard part Weight Reduction: The contractor shall make every effort to reduce the Performance: The ejector shall be capable of being mounted on the Aero 65A The ejector Changes in manufa
17、cturers part numbers shall be governed 3.4 ings specified herein shall be permitted without prior written approval by the procuring service, furnish the procuring service with reproducible drawings covering the change. ance to drawings will not relieve the contractor of the requirements of paragraph
18、s 3.5 and 3.6 below, Conformance to Drawings: No departure from revision or change to the draw- In the event changes are approved, (see paragraph 6.1) the contractor shall Conform- 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3.5 practice coveri
19、ng this type of quipuent for the quantity production of analogous parts, All operating parts of the rack shall be free from imperfections which may impair its serviceability. 3.6 bfanufacturing processes and finishes shall be as shown on the applicable drawings unless otherwise approved. responsibil
20、ity shall be assumed by the contractor for any malfunction or failure of the component parts or the assembled equipment to pass the required tests due to unsatis- factory fits, clearance, tolerances, internal stress or finishes, Workmanshipr The workmanship shall be that required by the best comerci
21、al Manufacturing and Finish: (See paragraph 6.1). The 4. QUALITY ASSURANCE PROVISIONS 4.3 of ejectors which are submitted for acceptance at one time in accordance with the quantities specified in the applicable contract. Inspection Lot: An inspection lot shall consist of one months production 4.2 cl
22、assified as follows: Classification of Tests: The inspection and testing of ejectors shall be (a) Premoduction Tests : Preproduction Tests are those test samples which are representative of the production item after the award of contract to determine that the production item meets the requirements o
23、f this specification. ejectors manufactured and submitted for acceptance under contract. 4.3 Preproduction Tests; 4.3.1 The first five (5) ejectors under each contract shall be preproduction samples and shall be delivered for inspection and testing as required herein in compliance with the requireme
24、nts of the applicable contract. 4.3.2 Tests: All preproduction samples of the ejector shall conform to dimensions and tolerance of the pertinent drawings and requirements of the subsidiary specifications and for any or all test requirements listed in Militarg Specification MIL-T-7743(ASG) as applica
25、ble. 4.3.3 considered contractors responsibility, covered during the inspection and testing of the preproduction samples shall be corrected by the contractor. Such corrective measures as may be found necessary shall likewise be incorporated in all subsequent ejectors and offered for.acceptance under
26、 the contract. Defects or malfunctions of the Aero 65 Bomb Rack or any rack used in conjunction with the ejector shall not be a malfunction of the Aero 23A Ejector. 4.4 will all the materials used in the manufacture thereof, shall be subjected to inspection at he contractors plant or elsewhere by au
27、thorized Government Inspectors. 4.4.1 kterials Inspection: 4.4.1.1 Commercial Haterials t When materials are procured under commercially recognized non-Government specifications, such as by SQE numbers, a certificate showing compliance with such specifications shall be furnished by the supplier of s
28、uch material as required by the applicable contract. (b) Inspection Tests: Inspection Tests are those tests accomplished on Sawling Instructions: Correction of Defects: Parts not supplied by the Government shall be Any defects in items, parts and materials dis- Inswction Tests: The ejector, as descr
29、ibed and defined herein, together Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-4.4.1.2 the cowse of manufacture shall not be construed as insuring the acceptance or approval of the finished product. 4.4.2 Production Samplinq: 4.4.2.1 Ejector -Grou
30、p A Tests: SamDling and Classification of Defects: sample of ejectors shall be selected in accordance with MILSTD-105, AQL one percent for major defectives and four percent for minor defectives and subjected to the following inspection and tests: Approval of Materials in Process: Approval of materia
31、l in process during A random Major Defects Ejector not assembled and adjusted properly. One or more (a) dimensions out of tolerance, (b) improper hardness levels and (c) improper pating of parts. Failure of the ejector to operate satisfactorily in accordance with the drawing requirements. Minor Defe
32、cts Finish and Workmanship not in accordance with the drawings. 4.4.2.2 Ejector -Group B Tests: Sampling and Classification of Defects: A random sample of ejectors shall be selected in accordance with the Appendix to MILSTD-105, Inspection Level L7, zero acceptance number for critica3 defectives. sh
33、all apportion the sample ejector as equally as possible among the critical tests of MIL-T-7743(ASG) and this specification. However, the icing tests shall be conducted on each unit. The testing agency Critical Defects Failure to pass Vibration Tests - paragraph 4.7 of MIL-T-7743(BSG) Failure to pass
34、 Life Test - paragraph 4.10 of MIL-T-7743(ASG) Failure to pass Shock Test - paragraph 4.8 of MIL-T-7743(ASG) Failure to pass Icing test - paragraph 4.6 of MIL-T-7743(AsG) - 5. PREPARATION FOR DELITERY 5.1 by or direct shipments to the Government. 5 2 and marked in accordance wi$h Group VI, Type I, C
35、lass II of Specification MIL-P-6064. 6. NOTES 6.1 in suspending and releasing bombs, depth charges, etc, from various types of aircraft. 6.2 Adherence to Drawings and Specifications - Conflict Elhimtion: the contractor is required by provisiona of this specification to adhere rigidly to the drawings
36、 listed in Section 2, which may make it impossible in some instances also to comply with the performance and test requirements specified herein, then, in that event, the contractor should promptly notify the procuring activity of such fact, and appropriate changes will be made in the applicable draw
37、ings, parts, or performance requirements as authorized by the procuting activity, cable contract provisions, will be made in the price of the articles to be delivered to reflect any change so authorized by the procuring activity. ApDlication: The requirements specified herein apply only to direct pu
38、rchases Preservation and, 9ackaging: Each rack shall be preserved, packaged, packed Intended Use: The bomb rack covered by this specification is intended for use Insofar as An equitable adjustment, in accordance with appli- Provided by IHSNot for ResaleNo reproduction or networking permitted without
39、 license from IHS-,-,-6.3 bomb rack shall be accompanied by a statement showing whether or not any exceptions are being taken to the requirements shown in the drawings or in this specification. exceptions are taken, they shall be specifically described, and the alternative thereto indicated in the s
40、tatement. PATEKC NOTICE: When Government drawings, specifications, or other data are Ordering Data: Each bid submitted in connection with the procurement of the If used for any purpose other than in connection with a definitely related Government procurement operation, the United StRtes Government t
41、hereby incurs no responsibility nor any obligation whatsoever; and the fact that the Government may have formulated, furnished, or in any way supplied the said rawings, specifications, or other data is not to be regarded by implication or otherwise as in any manner licensing the holder or any other person or corporation, or conveying any rights or permission to manufacture, use, or sell any patented invention that mag in any way be related thereto. B70003 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
