1、_ - - -_ MIL-B-YBbOA 13 977770b O322056 7 - I ._ _ - - MIL-B -4 8 6 O O A (AR) 30 OCTOBER 3-979 SUPERSEDING MIL-B-48600 (MU) 16 July 1976 MILITARY SPECIFICATION BASE PLUG ASSEMBLY This specification if approved for use by the US Army Armament Research and Development Command, and is available for us
2、e by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope.-This specification contains requirements not covered by the drawings and provides quality assurance provisions for the fabrication of a base plug seal to be used in the 105MM, APDS-T and TPDS-T ammuni tion. 2. APPLIC
3、ABLE DOCUMENTS 2.1 Issues of documents.-The following documents of the issue in effect on date of invitation for bids or request for proposals, form a part of this specification to the extent specified herein. SPECIFICATIONS MILITARY MIL-A-48078 - Ammunition, Standard Quality Assurance MIL-6-60539 -
4、 Coatings, Anodic, Conventional, for Provisions, General Specification For Aluminum and Aluminum Alloys. STANDARDS MILITARY MIL-STD-129 - Marking for Shipment and Storage MIL-STD-1169 - Packaging, Packing and Marking for Shipment of Inert Ammunition Components FSC: 1315 Behefichl commentr (recommend
5、ations, rdditionr, deletom) and any pertinent data Which map be Of um in bprovirig this doeument &odd be addremod to: Commander, Us Amy Amment Re#uch and Development Comawid, Attn. DRDARQA, Doper, NOW 07801 by pihg the wtrli-addmwd Sbndudiution Document Improvement hm (DD Form 1426) appearing at the
6、 end of tbii document or by letter. THIS DOWMENT CONTAINS PAGE& Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-48600A (AR) DRAWINGS 11820563 - Base Plug Assembly (Copies of specifications, standards, drawings, and publications required by supp
7、liers in connection with specific procurement functions should be obtained from the procuring activity or as directed by the Contracting OfEicer). this specification to the extent specified herein. Unless otherwise indicated, the issue in effect on date of invitation for bids or request for proposal
8、 shall apply. 2.2 Other publications.-The following documents form a part of ASTM Methods - American Society for Testing Materials E8 - Tension Testing of Metallic Materials (Application for copies should be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia,
9、 Pa 19103). 3. REQUIREMENTS 3.1 General.-Materials, parts and assemblies shall comply with the requirements specified on the applicable drawings, referenced specifications and the following: 3.2 Heat treatment or stress relief.-Heat treatment or stress relief applied to any component part shall be u
10、niform throughout and shall be so conducted as to produce in each component the mechanical properties specified on the applicable drawing. with the requirements of the applicable drawing or the applicable mater ia1 specification throughout the component. Where cleaning and surface pretreatment are r
11、equired by component details, the process shall apply to all indicated surfaces regardless of contour -ar:figuration. The protective finish shall be as specified on the applicable drawings and shall be uniformly applied to the surfaces designated by the applicable drawings. Salt spray and other requ
12、ired testing shall be in accordance with the applicable drawings and specifications. 3.3 Mechanical properties.-Mechanical properties shall comply 3.4 Surface preparation and application of protective finish.- 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license fro
13、m IHS-,-,-MIL-B-9bOOA 13 979770b O322058 2 MIL-B-48600A (AR) 3.5 First article inspection.-This specification contains technical provisions for first article inspection. the submission of first article samples by the contractor shall be as specified in the contract. Requirements for 3.6 Workmanship.
14、-The requirements for workmanship are as shown on the applicable component drawing, in the applicable specifications and the following: required by the applicable specifications and drawings. addition, all components shall be free from cracks, splits, cold shuts, inclusions, porosity and any other s
15、imilar defects. 3.6.1 Material defects.-Soundness of material shall be as In 3.6.2 Protective coatinq.-Protective coating shall be uniform and undamaged 3.6.3 Surface finish.-Surface shall be in accordance with the 3.6.4 Burr.-No component shall have a burr. applicable drawing and the specification
16、referenced thereon. 3.6.5 Foreiqn matter.-All parts, sub-assemblies and assemblies shall be free of chips, dirt, grease, kerosene, rust, corrosion or other foreign matter. 3.6.6 Discoloration.-Discoloration is not allowed. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection and standar
17、d qualit assurance provisions.-Unless otherwise specified herein oryin the contract, the provisions of MIL-A-48078 shall apply and are hereby made a part of this detail specification. inspection shall be conducted on this item: 4.2 Classification of inspections.-The following types of a. First Artic
18、le Inspection b. Quality Conformance Inspection 4.3 First article inspection 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-4 8600A (AR) 4.3.1 Submission.-The contractor shall submit a first article sample as designated by the Contracting Of
19、ficer for evaluation in accordance with provisions of 4.3.2. The first article sample shall consist of the items in sample quantities as indicated below. Part Description Drawing Quantity Base Plug 11820562 10 * Insert, Base Plug 11820534 10 * Base Plug Assembly 11820563 10* 5 ends of 5 different ro
20、ds used in the manufacture of the base 5 ends of 5 different rods used in the manufacture of base plug plugs, with a minimum length of one foot. inerts, with a minimum length of one foot. *Half of the samples shall be submitted without protective coating and the other half with protective coating. 4
21、.3.2 Inspections to be performed.-See MIL-A-48078 and Table I spec if i ed her ein. 4.3.3 Rejection.-See MIL-A-48078. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-flIL-B-LIbOOA 13 9999906 O322060 O ri k ri 6 E I I l I 4 ! 4 g? UWU h! h! ? U Crl
22、h! ? U ZrnN O O ri d a u w al a u 5 G +I U ci 2 U uu da la Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-4.4 Quality conformance inspection 4.4.1 Inspection lot formation.-Inspection lots shall comply with the lot formation provisions of MIL-A-4807
23、8. 4.4.2 Examination.-See MIL-A-48078. a. Samplinq plan.-Unless otherwise specified in the Classification of Defects and Test Tables, sampling plans and procedures for major and minor defects shall be in accordance with MIL-STD-105, Inspection Level II. b. Tool control dimensions.-Dimensions marked
24、tool control shall be gaged during the First Article testing and twice in every 8 hours shift of regular production and prior to any tooling change. Where destruction of components is necessary to inspect these dimensions, mesurementc of the tool may be substituted provided the contractor has establ
25、ished correlation between the tool dimensions and the component dimensions prior to the start of production. The contractor shall be responsible for maintaining adequate surveillance to assure that drawing requirements are being met throughout the life of the tool. Corrective action will immediately
26、 be instituted by the contractor when drawing requirements are not met. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-MbOOA 13 m 7997706 03220b2 4 - m I E L Provided by IHSNot for ResaleNo reproduction or networking permitted without license
27、from IHS-,-,-MIL-B-qBhOOA 13 W 7777706 0322063 6 W P e ? mmmm 4 al al v1 al -3 .rl VI U 1 O Qi U I dl I 8 I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-600A 13 7797706 0322064 l l F F C u 4: - ww ww O0 mm O0 O0 3: 33 i4 a * & d Pa 8“ o : ou
28、 28 v)&l rl U us o) ad d a al mo) O 4 ruII .- 9 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-B-4600A 13 M 7777706 0322065 T W MIL-B -4 8 6 O O A (AR) 4.4.3 Inspection equipment.-The inspectlta equipment required to perform the examinations an
29、d tests prescribed herein is described in the “Paragraph Ref erence/Inspection Method“ column in the tables starting with paragraph 4.4.2.1. The contractor shall submit for approval inspection equipment designs in accordance with the terms of the contract. See Section 6 of MIL-A-48078 and 6.3 herein
30、. 4.5 Test method and procedures 4.5.1 Protective coating,-Procedures for testing, the cleaning of components and the application of protective coatings shall be in accordance with the criteria for testing as specified on the applicable component drawings and in the specification reference thereon.
31、If a salt spray is required on the applicable specification, the salt spray test shall be accomplished on components or assemblies which have been manufactured in accordance with the drawing requirements. 4.5.1.1 Salt spray test - base plug.-The salt spray test shall be accomplished in accordance wi
32、th MIL-(2-60539. Durinq reqular productin the samples shall be exposed for 120 hours,-beginning with the first lot produced and continuing until three consecutive lots have complied with the applicable requirements. After three consecutive lots have been accepted, the samples of all subsequent lots
33、shall be exposed for 72 hours. Should any lot fail the applicable requirements, the salt spray samples of the following lot shall he exposed for 120 hours until three consecutive lots have been accepted. 4.5.2 Tension test - base plug.-One tensile test specimen shall be taken longitudinally from the
34、 center of each bar. The specimen cl?aI-L conform to the largest obtainable round specimen described by AbTM E-8, Yield strength shall be determined by the offset method utilizing the procedures prescribed by ASTM E-8. 5. - PREPARATION FOR DELIVERY 5.1 Preservation, packaqing, packing and markinq 5.
35、1.1 Level A - Military package.-NA 5.1.2 Level B - Minimum military package.-Preservation, packaging, packing .and marking shall omply with the applicable drawing, specification, military specification MIL-STD-1169 and this spec if i cation 10 Provided by IHSNot for ResaleNo reproduction or networki
36、ng permitted without license from IHS-,-,-MIL-B-48600A (AR) 5.2 Packing.-Base plug assemblies shal be packed in a manner which will insure acceptance by common carrier and will afford protection against physical damage during shipment from the supply source to the first receiving activity for immedi
37、ate use. Shipping containers or method of packing shall conform to the Uniform Freight Classification Rules and Regulations or other carrier regulations as applicable to the mode of transportation. Marking.-In addition to any special marking required by the contract or order, interior packages and e
38、xterior shipping containers shall be marked in aacordance with MIL-STD-129. 5.3 5.4 Shipping.-When components from more than one lot are shipped as a car load, each lot must be kept separate and the division between lots clearly indicated to prevent mixing of lots in transit. 6. NOTES 6.1 applicable
39、 requirements is in doubt as a result of visual examination, this characteristic may be measured or gaged to determi ne acceptability . Visual examination qualif ication.-When compliance with the 6.2 Ordering data.-See MIL-A-48078. a, Data Cards - Data cards shall be prepared for each lot in accorda
40、nce with MIL-STD-1167. b. Delivery of data cards to the technical aqency.-The following address is to be added to those listed in the contract (Form DD 1423) for the delivery of one copy, to the technical agency of the Ammunition Data Cards: Commander, US Army Armament Research and Development Comma
41、nd Dover, New Jersey 07801 ATTN: DRDAR-QAR-E 6.3 Submission of inspection equipment designs for approval.- See MIL-A-48078. Submit equipment designs, as required to: Commande r US ARmy Research and Development Command Dover, NJ 07801 ATTN: DRDAR-QAR-I Custodian: ARMY-AR Preparing Activity: Project No. 1315-A236 ARMY-AR *US. GOVERNMENT PRINTING OFFICE: is80 - 803-121/860 11 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
