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National Stock Number: 5305-01-080-3287
Federal Supply Class: 5305
National Item Identification Number: 010803287
Description: SCREW,SHOULDER
Detail: An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 IN.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below No. 10 (0.190 IN.) (5 mm) nominal diameter. No. 10 (0.190 IN.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use SCREW, EXTERNALLY RELIEVED BODY. For items with a No. 10 (0.190 IN.) (5 mm) or larger thread diameter without an inserted driver head, use BOLT, SHOULDER. Excludes BOLT, INTERNAL WRENCHING and SCREW, CAP, SOCKET HEAD.
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Manufacturer Information:
12281838 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | XM61563 | 01417 | GENERAL DYNAMICS LAND SYSTEMS INC. |
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Techincal Specification:
FASTENER LENGTH | 1.055 INCHES MINIMUM AND 1.075 INCHES MAXIMUM | HEAD DIAMETER | 0.375 INCHES NOMINAL | HEAD HEIGHT | 0.075 INCHES NOMINAL | HEAD STYLE | FLAT CHAMFER | INTERNAL DRIVE STYLE | SLOT | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A576 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | MATERIAL | STEEL COMP 1015 OR STEEL COMP 1025 OVERALL | NOMINAL THREAD DIAMETER | 0.164 INCHES | SHOULDER DIAMETER | 0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM FIRST SHOULDER | SHOULDER SHAPE | ROUND FIRST SHOULDER | SHOULDER LENGTH | 0.610 INCHES MINIMUM AND 0.620 INCHES MAXIMUM FIRST SHOULDER | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | SURFACE TREATMENT | CADMIUM OVERALL | THREAD DIRECTION | RIGHT-HAND | THREAD CLASS | 2A | THREAD LENGTH | 0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM | THREAD QUANTITY PER INCH | 32 | THREAD SERIES DESIGNATOR | UNC |
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