1、. MIL-H-bO4O 13 9999906 0341507 5 -_ - _ . c;-3 743 MIL-H-O(MJ) 22 May 1968 SUPERSEDING FA-PD-MT -2543, Rev.0 20 September 1962 MIIlTAY SPECIFICATION HOLDER, STRIP, ASSEMBLY, -METAL PARTS 1. SCOPE 1.1 This specification covers Holder, Strip, Assemblies for use in the M8, Mg, M10, XM12 or M19 Aircraf
2、t Ejection Seat Catapults. 2. APPZICABrn DOCZTMENTS 2.1 The following documents of the issue in effect on date of invitation for bids or request for proposal, form a part of this specification to this extent specified herein. SPECIFTCATIONS Military MILA-2550 MILP-10025 - Ammunition and Special Weap
3、ons, General Specifica- tion for - Packaging, Packing and Marking for Interplant Ship- ment of Inert Ammunition Components, General Speci- fication for STANDARDS Military MIL-STD-lo5 MILSTD-109 MIL-STD- - Ammunition Data Card - Sampling Procedures and Tables for Inspection by - Quality Assurance Ter
4、ms and Definitions Attributes DRAWINGS F8596896 - Holder, Strip, M9 Assembly F8596934 - Holder, Strip, Subassembly F8596959 - Holder, Strip, Subassembly (Copies of specifications, standards and drawings required by suppliers in con- nection with specific procurement functions shail be obtained from
5、the procuring activity or as directed by the contracting officer.) FSC 1377 THSS DOCUMENT COPITAIMS rz- PAGES. # Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. MI lrH-60840 (MU) 2.2 Other publications.- The following document forms a part of this
6、specification to the extent specified herein. issue in effect on date of invitation for bid or request for proposal shall Unless otherwise indicated, the apply ASA B 46.1 - Surface Texture (Application for copies should be addressed to the American Standards Associa- tion, 10 East 40th Street, New Y
7、ork, N. Y. 10016) 3. REQUIREMENTS 3.1 General.- Materials, parts and assemblies shall conform to the appli- cable drawings and referenced specifications. 3.2 Protective finish.- When protective finish is required by component details, finish requirements shall be as required on the drawings and refe
8、r- enced specification and shall apply to all surfaces of the assembly regardless of contour configuration. 3.3 Assemb1x.- Parts shall be combined to produce an assembly which con- forms to the requirements of Drawing F8596896 or F8596934 or F8596959. 3.4 Workmanship.- The requirements for workmansh
9、ip are as specified on the applicable drawings, referenced specifications and the following. 3.4.1 Metal defects.- All metal parts shall be free from cracks, splits, folds, or other metal defects. 3.4.2 Surface finish.- The requirements for surface finish are as detailed on the applicable drawings a
10、nd referenced standard. 3.4.3 Burr.- No part shall have a burr which might interfere with the assembly or function of the item or which might be injurious to personnel hand- ling the item. 3.4.4 Foreign matter.- No part or assembly shall contain chips, dirt, grease, oil, rust, corrosion or other for
11、eign matter, 4. QUAWE ASSURANCE PROVISIONS 4.1 Responsiblity for inspection.- Unless otherwise specified in the con- Except as otherwise specif Led in tract or purchase order, the supplier is responsible for the performance of all inspection requirements as specified herein. the contract or order, t
12、he supplier may use his own or any other facilities suit- able for the performance of the inspection requirements specified herein, unless Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-7 MIL-H-6040 13 M 7979706 034L511 3 II II MIL-H-a840 (w) 4.h (c
13、ontd) rt 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. 4.1,l Quality assurance terms and definitions.-
14、 Reference shall be made to MtIrSTD-109 to define quality assurance terms used. 4.1.2 Inspection.- Inspection shall be in accordance with MIGA-2550 ex- cept as specified herein. 4.2 First article sample. 4.2.1 Initial production sample.- At the beginning of regular production, a sample shall be subm
15、itted in accordance with contract requirements and shall consist of 25 strip holder assemblies, 50 strips for hardness test and 10 sets of unassembled components. materials, equipment, processes and procedures as used in regular production. at source, the sample shaii be inspected for all the requir
16、ements of the draw- ings and specifications, at a Government laboratory or such other facility specified in the contract. The sample shall be manufactured using the same ,* 4.2.1.1 Examination and test .- After inspection and provisional acceQtance 4.2.1.2 Initial production sample failure.- Failure
17、 of the sample to meet the requirements of the drawings and specifications shall result in sample dis- approval. 4.3 inspection provisions 4.3.1 E. I 4.3.1.1 Submission of product.- The product shall be presented in accord- ance with KCLCTD-lO5. h.3.1.2 Size of lot.- For the purpose of identificatio
18、n and shipment, the shipping lots of metal parts assemblies shall consist of 1200 holder strips, maximm, exclusive of test samples, provided the homogeneity of manufacturing process has been reach throughout the inspection lot. A smaller lot may be shipped upon approval of the contracting officer. 3
19、 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-H-b0840 33 W 9999906 0343532 5 _- - - ._ MILH-60840 ( MJ) 4.3.2 Examination.- One hundred percent examination shall be performed for Examination for major or minor defects shall be performed on cr
20、itical defects. a defect basis in accordance with the classification of defects using .the Sam- pling plans and criteria in Tables I and II. For an individual defect (single characteristic), the criteria in Table I shall be used. within a major or minor group, the criteria ip Table II shall be used.
21、 nonconforming material shall be rejected. be used in performing visual examination for such defects as burr and foreign matker. used as a basis of comparison for surface roughness determination. For total defects All Four power (4X) magnification may The roughness comparison specimens prescribed by
22、 ASA B46.1 shall be bt Size Sample Size 1 - 300 io such as cracks, splits and folds. the requirements of 3.4.1 shall be cause for rejection of the assembly. Sample shall be made The 25 assemblies shall Failure of any strip assembly to comply with 4.4 Test me-&hods and procedures. 4.4.1 Hardness test
23、.- Prior to plating, a hardness testing machine shall be used to determine hardness. 4.4.2 Protective finish (plating) test .- The method and procedure for per- forming these tests shall be in accordance with the applicable specification referenced. 4.4.3 Cable, terminal swagirw and cable mide weldm
24、ent test.- The cable assembly shall be tested by applying 2000 (+ 50) pound tensile load for 5 (+ 1) seconds. Apply &e load from the “ball endT terminal to the “shank end“ te?- minal and against cable guide simultaneously in the direction designated on the applicable drawing. 6 Provided by IHSNot fo
25、r ResaleNo reproduction or networking permitted without license from IHS-,-,-. I l l. m-60840( MJ) 4.4.3.1 Cable, terminal swaging and cable weldment - destruction test.- The test shall be performed in accordance with 4.4.3 except that the pull shall be continued-until destruction. shall be recorded
26、. Penetrex Method, or equal, shall be used to determine that the ball fittings (ball and shank) of each strip holder assembly are free from discontinuities, such as cracks, splits and folds after swaging: a. The force required to break the cable 4.4.3.2 Ball fitting test .- The following Magnaflux C
27、orporation Zyglo One-half hour time lapse following the application of ZL-22 Penetrant. b. One minute emulsification time using ZE-3 Emulsifier. c. Remove penetrant and emulsifier with forcefil water stream Dry in a hot-air drier operating at 225F. and allow to cool. (30-pound pressure) . Avoid over
28、washing. d. e. Apply ZP-4 Developer and examine ball fittings under a light with a wave length of 3650 to 4000 Angstrom units. 5. PREPARATION FOR DELIVERY 5.1 Packaging, packing and marking.- Packaging, packing and marking shall be in accordance with MIL-P-lOO25, or as required by contract. 5.2 Data
29、 cards.- Data card information shall be in accordance with MIE sm-n67. 6. NOTES 6.1 Ordering data.- Procurement documents should specify the title, num- ber and date of this specification. 6.2 Supersession data .- This specification includes the requirements of Purchase Description FA-PD-MI-2543, Rev. O dated 20 September 1962. Custodian: Preparing activity: Aw-MU .- -* AZTOY-MU Project No. 1377-A215 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
