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National Stock Number: 5305-00-704-7952
Federal Supply Class: 5305
National Item Identification Number: 007047952
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:
8317-2346-2 | 23667 | SMITHS DETECTION INC. | 8317-2346-2 | 94271 | LOCKHEED MARTIN CORP |
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Techincal Specification:
FASTENER LENGTH | 0.737 INCHES MINIMUM AND 0.747 INCHES MAXIMUM | HEAD DIAMETER | 0.279 INCHES MINIMUM AND 0.283 INCHES MAXIMUM | HEAD HEIGHT | 0.041 INCHES MINIMUM AND 0.051 INCHES MAXIMUM | HEAD STYLE | FLAT CHAMFER | INTERNAL DRIVE STYLE | SLOT | MATERIAL | STEEL COMP 303 OVERALL | NOMINAL THREAD DIAMETER | 0.112 INCHES | SHOULDER DIAMETER | 0.183 INCHES MINIMUM AND 0.185 INCHES MAXIMUM FIRST SHOULDER | SHOULDER SHAPE | ROUND FIRST SHOULDER | SHOULDER LENGTH | 0.385 INCHES MINIMUM AND 0.390 INCHES MAXIMUM FIRST SHOULDER | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | SURFACE TREATMENT | PASSIVATE OVERALL | THREAD CLASS | 2A | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 0.316 INCHES MINIMUM AND 0.331 INCHES MAXIMUM | THREAD QUANTITY PER INCH | 40 | THREAD SERIES DESIGNATOR | UNC |
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