1、MIL-R-70337 53 W 7777906 0107770 7 m PUL-R-70337 15 January 1988 - MILITARY SPECIFICATION RING, RETAINING, ROUND SECTION GENERAL SPECIFICATION FOR This specification is approved for use by all Departments and Agencies of the Depar twnt of Defense. 1. SCOPE 1.1 Scope. This qecification covers the req
2、uirements for retaining rings, round section. 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications and standards. The following specifications and standards form a part of this specification to the extent specified herein. Unless otherwise specified, the issues of these documents s
3、hall be those listed in the issue of the Department of Defense Index of Specifications and Standards (DODISS) and supplement thereto, cited in the solicitation. SPECIFICATIONS FEDERRL QQ-P-416 - Plating, Cadmium (Electrodepsited) PPP-H-1581 - Hardware (Fasteners and Related Items) I Packaging of MIL
4、ITARY MIL-C-81562 - Coatings, Cadmium, Tin-Cadmium and Zinc (Mechanically MIL-R-70337/1 - Ring, Retaining, Round Section, External, Closed Type Deposited) Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving thisdocument should be addres
5、sed to: Commander, US Army Armament Research, Development and Engineer- i ing Center, ATIN: SMCAR-=C-S, Picatinny Arsenal, W 07806-5000 by using the i self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. i I AMSC N/A FSC 5365
6、 e DISTRIBUTION STATEMENT A. -roved for public release; distribution is unlimited. THIS DOCUMENT CONTAINS PAGES. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-70337 STANDARDS MILIPAl?Y MIL-BTD-105 - Sampling Procedures aid Tables for Inspecti
7、on by Attributes (Cupies of specifications, standards and other Government documents required by contractors in connection with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting activity.) 2.2 Other publications. The following documents
8、 form a part of this specification to the extent specified herein. Unless otherwise specified, the issues of the documents which are DOD adopted shall be those listed in the issue of the DODISS specified in .the solicitation. Unless otherwise specified, the issues of documents not listed in the DODI
9、SS shall be the issue of the nongovernment documents which is current on the date of the solicitation. ASTM A227/A227M - Steel Wire, Cold-Drawn for Mechanical Springs ASTM A313 - Chromium-Nickel Stainless and Heat Resisting Steel ANSI/ASTM A380 - Cleaning and Descaling Stainless Steel Parts, Equipme
10、nt Spring Wire and Systems. Carbon Steel. Asm A510 - General Requirements for Wire Rods and Coarse Round Wire, (Application for copies should be addressed to AST“, 1916 Race Street, Philadelphia, PA 19103.) (Nongovernment standards and other publications are normally available from the organizations
11、 which prepare or which distribute the documents. These documents also 1wy be available in or through libraries or other informational services.) 2.3 Order of precedence. In the event of a conflict between the text of Llis specification and the references cited herein (except for associated detail s
12、pecifications, specification sheets or MS standards), the text of this specification shall take precedence. Nothing in this specification, however, shall supersede applicable laws and regulations unless a specific exemption has been obtained. 2 Provided by IHSNot for ResaleNo reproduction or network
13、ing permitted without license from IHS-,-,- MIL-R-70337 53 m 7777706 0309772 O W MIL-R-70337 .* 3.1 Specification sheets. The individual item requirements shall be as specified herein and in accordance with the applicable specification sheet. In the event of any conflict between requirements of this
14、 specification and the specification sheet, the latter shall govern (see 6.2). 3.2 Material. Recycled and reclaimed materials shall be used to the maximum extent practicable. Round section retaining rings shall be fabricated of the following materials, as specified (see 3.1) . 3.2.1 Carbon steel wir
15、e. Carbon steel wire shall be Grade 1060 through 1095 (UNS G10600 through G10950) in accordance with ASTE4 A227/A227M with Grades as specified in ASlTlA510. 3.2.2 Corrosion resistant steel wire. Corrosion resistant steel wire shall be Type 316 (UNS S31600) in accordance with ASTM A313. 3.3 Protectiv
16、e finish or surface treatment. Retaining rings shall be furnished with a protective finish or surface treatment, as specified (see 3.1). 3.3.1 Carbon steel. Carbon steel retaining rings shall he cadmium pl-atd in accordance with QQ-P-416, Type II, Class 2 (.O003 thick) or MIL-C-81562 Type II, Class
17、2 (.O003 thick) . 3.3.2 Corrosion resistant steel. Corrosion resistant steel retaining rings shall be cleaned, descaled and passivated in accordance with ANSI/ASTM A380. 3.4 Dimensions and tolerances. Dimensions and tolerances shall be in accordance with the applicable specification sheet (see 3.1)
18、and as specified herein and shall apply after protective finish, if applicable. 3.5 Hardness. Carbon steel rings shall have a hardness of 46-53HK. 3.6 Workmanship. Retaining rings shall be free from surface conkamination, tool marks and other imperfections which my adversely affect useability. 4. QU
19、ALITY ASSURANCE PRCNISIONS 4.1 Responsibility for inspection. Unless otherwise specif id in the contract or purchase order, the contractor is responsible for the performance OE all inspection requirements as specified herein. Except as otherwise specified in the contract or purchase order, the contr
20、actor my use his own or any other facilities suitable for the ,performance of the inspection requirements specified herein, unless disapproved by the Govermnt. The Government reserves the right to perform any of the inspections set forth in the specification where such inspections are deemd necessar
21、y to assure - supplies and services conform to- prescribed requirements. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-70337 53 W 777770b 0207773 2 W . MIL-R-70337 4.1.1 Responsibility for compliance. All itms must meet all requirements of Se
22、ctions 3 and 5. The inspection set forth in this specification shall become a part of the contractors overall inspection system or quality progran. The absence of any inspection requirements in the specification shall not relieve the contractor of the responsibility of assuring that all products or
23、supplies submitted to the Government for acceptance comply with all requirements of the contract. Sampling in quality conformance does not authorize submission of known defective material, either indicated or actual, nor does it commit the Government to acceptance of defective material. 4.2 Quality
24、conformance inspection, Quality conformance inspection shall be as qpecified in Table I. FBQUIRBlEW TEST INSPECTIOLV PARAGWH PARAGFWH “. , U“ 3.3 4.3.2, 4.3.3 Dimensions 3.4 4.3.1 Wor kmanship 3.6 4.3.1 “._I 4.2.1 Inspection lot. An inspection lot shall consist of al1 retaining rings covered by a si
25、ngle specification sheet, of the same material and finish, nominal size, prodluced by the same manufacturer under essentially the same conditions, and submitted for acceptance at one time. 4.2.2 Rejected lots. If an inspection lot is rejected, the contractor may rework it to correct the defects, or
26、Screen out the defective units and resubmit for inspection. Resubmitted lots shall be inspected using tightened inspection. Buch lots shall be separate from new lots and shall be clearly identified as reinspected lots. 4.2.3 Samplinq for visual and dimensional examination. A random sample of retaini
27、ng rings shall be taken from each lot in accordance with MIL-STD-105 Insection Level II. The Acceptable Quality Level (AQL) shall be as indicated in Table II. 4.2.4 Inspection of packaqinq. The sampling and inspection of the preservation, packing and container marking shall be in accordance with the
28、 requirements of PPP-H-1581. 4 #J , Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-4.3 Methods of inspection. 4.3.1 Visual and dimensional examination. Samples of retaining rings shall be examined to verify conformance with this specification and ap
29、plicable specification sheet. Examination shall be conducted in accordance with Table II. - 1/ Commercial inspection equipment 4.3.2 Protective finish. Samples of carbon steel retaining rings shall be inspected for adequacy of plating in accordance with 3.3.1. 4.3.3 Surface treatment. Samples of cor
30、rosion resistant steel retaining rings shall conform to the inspection after cleaning tests specified in 3.3.2. 4.3.4 Material inspection. Material inspection shall consist of certification supported by verifying data that the materials used in fabricating the retaining rings are in accordance with
31、the applicable paragraphs listed in 3.2 prior to such fabrication. 5. PACKAGING 5.1 Packaqinq requirements. !Ihe requirements for packaging shall be in accordance with PPP-H-1581 (see 6.2). 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-7033
32、7 6. NOTES 6.1 ,&tended use. Retaining rings acquired under this specification are intended for the purpose of locating and positioning machined parts or bearings on shafts or pins. 6.2 Orderinq data. 6.2.1 Acquisition requirements. Acquisition documents should qecify the following: I NIL-R-70337 53
33、 W 7777906 0107775 h m a. Title, number and date of this specification and applicable specification sheet. b. Applicable specification sheet part number (see 3.1). c. Level (degree) of protection in accordance with PPP-H-1581, ordering data (see 5.1) . 6.3 zeyword Listing: Ring, retaining Ring, snap
34、 Ring, wire Custodians: Army - AR Air Force - 93 Review Activities: Army - AT, ER, GL, MI Air Farce - 82 DLA - IS User Activities: Army - Ml3 Navy - S, SH NSU - Ns Civil Agencies Coordinating Activities: A - ps5 Preparing Activity: Army - AR Agent: DM - IS (Project 5365-0118) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
