1、MIL-P-7L17b = 999990b 18524b5 bb4 ICH-POUND I MIL-P-71171 (AR) O5 April 1993 MILITARY SPECIFICATION PALLET, SPECIAL METAL FOR STINGER WEAPON SYSTEM This specification is approved for use by the U.S. Army Armament, Munitions and Chemical Command, and is available for use by all Department and Agencie
2、s of the Department of Defense. 1. SCOPE 1.1 ,?cone: This specification covers the requirements and quality assurance provisions for the manufacture of special metal pallets for use in unitizing ammunition (see 6.1). 1.2 Class ificatio n. The special metal pallets shall be of the following type (see
3、 6.1): Type I - Pallet, Special Size 66.44 inches x 45.25 inches, Sheet Metal 2. APPLICABLE DOCUMENTS 2.1 Gover nment docu ments. 2.1.1 Srsec ificat ions, Sta ndards and handboo ks. The following specifications, standards and handbooks form a part of this document to the extent specified herein. Unl
4、ess otherwise specified, the issues of these documents are those listed in the issue of the Department of Defense Index of Specifications and Standards (DODISS) and supplement thereto, cited in the solicitation (See 6.2). Beneficial comments (recommendations, additions, deletions) and any pertinent
5、data which may be of use in improving this document, should be addressed to: Commander U.S. Army ARDEC, ATTN: SMCAR-BAC-S, Picatinny Arsenal, New Jersey 07806-5000 by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by let
6、ter. AMSC NIA FSC 8140 N STUEMFNT A, Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-, . MIL-P-7LL72 D 0b L8524bb 5T0 MIL-P-71171 (AR) SPECIFICATIONS FEDERAL TT-C-490 MI LI TARY MIL-W-12332 MIL-
7、A-48078 MIL-A-70625 STANDARDS FEDERAL FED-STD- MILITARY MIL-STD-109 MIL-STD-171 MIL-STD-1235 MIL-STD-1261 MIL-STD-1660 Cleaning and Preparation of Ferrous and Coated Surfaces for Organic Protective Coatings Welding Resistance, Spot, Seam and Production, for Fabricating Assemblies of Low Carbon Steel
8、 Ammunition, Standard Quality Assurance Provisions, General Specification for Automated Acceptance Inspection Equipment for Non-Electronic Components, Design, Testing and Approval of - - - Test Procedures for Packaging Mat er i als - - Quality Assurance Terms and - Definitions Finishing of Metal and
9、 Wood Surfaces Single and Multi Level Continuous Sampling Procedures and Tables for Inspection by Attributes Welding Procedures for Constructional Steel Design Criteria for Ammunition Unit Loads - - - (Unless otherwise indicated, copies of federal and military specifications, standards and handbooks
10、 are available from the Standardization Documents Order Desk, Building 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094 .) 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-71171 999990b 18524b7 437 MIL-P-71171 (AR) 2.1.2 Wer Govermnt dounus
11、. The following other Government documents, drawings, and publications form a part of this document to the extent specified herein. Unless otherwise specified, the issues are those cited in the solicitation. DRAWINGS U.S. ARMY ARMAMENT RESEARCH, DEVELOPMENT AND ENGINEERING CENTER ACVO O 1 93 C.O.A.1
12、 (Combinatin of Adopted Items) Pallet and Pallet Adapters Unitization of PA158 container ACVO O 1 94 Top Assembly, Pallet Adapters PA158 container ACVO O 195 Bottom Assembly, Pallet Adapter PA158 container ACVO O 1 9 6 Pallet Special size 66.44“ 45.25“, Sheet Metal (Copies of other Government docume
13、nts, drawings and publications required by contractors in connection with specified acquisition functions should be obtained from the contracting activity or as directed by the contracting officer.) part of this document to the extent specified herein. otherwise specified, the issues of the document
14、s which are DOD adopted are those listed in the issue of the DODISS cited in the solicitation. Unless otherwise specified, the issues of documents not listed in the DODISS are the issues of the documents cited in the solicitation (see 6.2). 2.2 Non -Government documents . The following documents for
15、m a Unless AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) 4 Standard Practice for Commercial Packaging - ASTM-D3951 (Application for copies should be addressed to the American Society for Testing and Materials (ASTM), 1916 Race Street, Philadelphia, PA 19103-1167.) 3 Provided by IHSNot for Resale
16、No reproduction or networking permitted without license from IHS-,-,-MIL-P-73373 b 3852468 373 MIL-P-71171 (AR) AMERICAN WELDING SOCIETY ANSI/AWS 4.0 - Mechanical Testing of Welds Standards Methods for (Application for copies of AWS publications should be addressed to the American Welding Society, 5
17、50 N.W. LeJeune Road, P.O. Box 351040, Miami, Florida 33135). 2.3 Order of Dracadence. In the event of a conflict between the text of this document and the references cited herein, the text of this document takes precedence. however, supersedes applicable laws and regulations unless a specific exemp
18、tion has been obtained. Nothing in this document, 3. REQUIREMENTS 3.1 Naterials . Materials and parts shall be in accordance with applicable drawings and specifications. 3.2 m. The pallet assemblies shall comply with all requirements specified on Drawing ACVOO193 and associated drawings and with all
19、 requirements specified in applicable specifications . and standards. 3.3 Stackina st renath - . The pallets shall withstand a 20,000 pound minimum (min.) stacking load (see 4.5.1) 3.4 He ldinq . The welding shall comply with the requirements of MIL-W-12332 or MIL-STD-1261 and weld callout in the ap
20、plicable drawings 3.5.1 Yisual inmections . The load bearing surface welds (see applicable dwg.) of the pallet assembly shall be free of the following defects. a. Undercut b. Overlap. c. Surface cavities. d. Surface cracks in weld metal or in heat affected zone cf base metal. e. Lack of weld penetra
21、tion. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-7LL7L 9999906 II852469 20T MIL-P-71171 (AR) In addition, fine scattered (average pore diameter equal to or Not more than two pores in any one less than 0.030 inches) porosity exceeding 13
22、pores in any one square inch shall be rejected. square inch of weld face shall be rejected. exceed 0.060 inches in diameter. Linear surface porosity in excess of 0.500 inches in or in excess of 25 percent of total length, whichever is less shall be rejected. No single pore may 3.5.2 Meld couDon bend
23、 te,%. The guided bend specimens shall have no open discontinuities exceeding 3.2mm (1/8 in.) measured in any direction on the convex surface of the specimen after bending, except that cracks occurring on the corners shall not be considered, unless there is definite evidence that they result from sl
24、ag inclusions or other internal discontinuities (see 4.5.2) 3.6 painted su rface . 3.6.1 or 3.6.2, as applicable. The painted surface shall comply with 3.6.1 Co nventional coat inq. The painted surfaces of the pallets shall comply with the requirements of the applicable drawings, TT-C-490 and with i
25、nstructions in MIL-STD-171. 3.6.2 Che mical aaent resistant coating (CARC) . The painted surfaces of the pallets shall comply with the requirements of Dwg. ACV00193 and applicable drawings. 3.7 UU t load test. . The unit loaded pallets shall conform to the requirements specified in MIL-STD-1660 (see
26、 4.5.3). 3.8 First art icle inmection . This specification contains technical provisions for first article inspection. for the submission of first article samples by the contractor shall be as specified in the contract. Requirements 3.9 Workma nshiw . 3.9.1 pa llets. The pallets shall be regular, sm
27、ooth, free from wrinkles, cracks, rough spots, burrs, sharp edges and any other defect that might affect the serviceability, durability and safety of the pallets. Weld splatter is permissible on non-load bearing surfaces provided it is firmly attached. 3.9.2 paint coat ins. The finished coat shall c
28、over all required surfaces and be continuous. provided there are no more than 3 inches in length, solid and free from cracks and blisters. Excess thickness is acceptable in areas where multiple passes of the paint gun are required to obtain total Paint runs are permissible 5 Provided by IHSNot for R
29、esaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-71171 = 9999906 1852470 T21 * MIL-P-21171 (AR) coverage. acceptable provided that are not more than 0.25 inches in diameter and no more than two such paint chips on a pallet. expose primer or bare metal are permissible p
30、rovided they are no more than 1.5 inch in length and no more than 10 inches total on a pallet. areas inaccessible to paint is permissible. Paint chips which expose primer or bare metal are Scratches which Bare metal on contact surfaces on bottom of skids and in 3.9.3 m. All parts shall be free of ch
31、ips, dirt, grease, rust and foreign material. injurious to any of the parts nor shall any of the parts be contaminated by the cleaning agents used. The cleaning method used shall not be 4. QUALITY ASSURANCE PROVISIONS . Unless otherwise specified 4.1 wponsibility for insDec.tion I in the contract or
32、 purchase order, the contractor is responsible for the performance of all inspection requirements (examinations and tests) as specified herein. Except as otherwise specified in the contract or purchase order, the contractor may use his own or any other facilities suitable for the performance of the
33、inspection requirements specified herein, unless disapproved by the Government. The Government reserves the right to perform any of the inspections set forth in this specification where such inspections are deemed necessary to ensure supplies and services conform to prescribed requirements. requirem
34、ents of Sections 3 and 5. specification shall become a part of the contractors overall inspection system or quality program. inspection requirements in the specification shall not relieve the contractor of the responsibility of ensuring that all products or supplies submitted to the Government for a
35、cceptance comply with all requirements of the contract. Sampling inspection, as part of manufacturing operations, is an acceptable practice to ascertain conformance to requirements, however, this does not authorize submission of known defective material, either indicated or actual, nor does it commi
36、t the Government to accept defective material. . All items shall meet all 4.1.1 pesDU1itv for cowiance The inspection set forth in this I The absence of any . Unless otherwise specified herein, 4.1.2 Ce neral Drovisions .I the provisions of MIL-A-48078 apply and form a part of this specification. qu
37、ality assurance terms used herein. requirements specified herein are classified as follows: a. First article inspection (see 4.3). b. Quality conformance inspection (see 4.4). Reference shall-.be made to MIL-STD-109 to define . The inspection 4.2 Glassification of insDections I, 6 Provided by IHSNot
38、 for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-P-73373 .W 9999906 3852473 968 MIL-P-71171 (AR) 4.3 First article insPection. 4.3.1 Subm ission. The contractor shall submit a first article sample as designated by the Contracting Officer for evaluation in accordan
39、ce with provisions of 4,3.2. The first article sample shall consist of the assemblies, components and test specimens listed below in the quantities indicated. Drawinas AC200000429 ACVO O 1 9 3 ACVO O 1 9 3 t DescriPtion e. Post Pallet Assemblies, Unpainted Pallet Assemblies, Painted tity 6 10 10 4.3
40、.2 Inspect ions to be Derfor med. 4.3.3 peiection . See MIL-A-48078. See MIL-A-48078 and Table I specified herein. 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I rn U C al C O a u a C (d rn al d rl P ci P, Yrn krn t-4 I + v) c MIL-P-71173 m 9999
41、906 1852472 BT4 m V d hl . - rl a hl Mm M ad cd CJSU el4m Umm U uuu . alsal ; . elm- Nael el mmm m mm0 . . NI a -I U a l all 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-iLL7L = 9999906 L852Vi3 730 W 9 MIL-P-71171 (AR) 4.4.1 ZJ1SDection lo
42、t formation . The term “inspection lot“ is defined as a homogeneous collection of units of product from which a representative sample is drawn or which is inspected 100 percent to determine conformance with applicable requirements. Units of product selected for inspection shall represent only the in
43、spection lot from which they are drawn and shall not be construed to represent any prior or sybsequent quantities presented for inspection. exist provided the inspection lot has been produced by one manufacturer, in one unchanged process, using the same materials and methods, in accordance with the
44、same drawings, same drawing revisions, same specifications and same specification revisions. All material submitted for inspection in accordance with this specification shall comply with the homogeneity criteria specified herein, regardless of the type of inspection procedure which is being applied
45、to determine conformance with requirements. Homogeneity shall be considered to 4.4.2 Examinations a nd tests. a. Class ification of character istics. Quality conformance examinations and tests are specified in the following Classification of Characteristics paragraphs. quality program or detailed in
46、spection system shall provide assurance of compliance of all characteristics with the applicable drawing and specification requirements utilizing as a minimum the conformance criteria specified. When cited herein, attributes sampling inspection shall be conducted in accordance with Table II below, u
47、sing the inspection levels stated in the Classification of Characteristics paragraphs. The contractors Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-7Lll7L 9999906 3852474 677 MIL-P-71171 (AR) TABLE II. mutes swu insDection 2 to 8 9 to 15 16
48、to 25 26 to 50 51 to 90 91 to 150 151 to 280 281 to 500 501 to 1200 1201 to 3200 3201 to 10000 10001 to 35000 35001 to 150000 150001 to 500000 500001 and over * * * * * * * * * 1250 1250 1250 1250 1250 1250 iu * * * * * 125 125 125 125 125 125 296 296 346 431 * * * 32 32 32 32 32 74 74 87 109 124 15
49、6 187 * 13 13 13 13 13 30 30 35 43 50 61 74 91 102 v 5 5 5 5 12 12 14 17 20 24 30 36 40 40 40 u 3 3 3 3 4 5 6 7 9 10 10 10 10 10 10 Numbers under inspection levels indicate sample size; asterisks (*) indicate one hundred percent inspection. If sample size exceeds lot size, perform one hundred percent inspection. Accept on zero and reject on one or more for all inspection levels.
