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National Stock Number:
5305-00-704-9710
Federal Supply Class:
5305
National Item Identification Number:
007049710
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:
| 8317-2346-1 | 94271 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| FASTENER LENGTH | 0.547 INCHES MINIMUM AND 0.557 INCHES MAXIMUM | | HEAD HEIGHT | 0.041 INCHES MINIMUM AND 0.051 INCHES MAXIMUM | | HEAD DIAMETER | 0.279 INCHES MINIMUM AND 0.283 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | NOMINAL THREAD DIAMETER | 0.112 INCHES | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 303 OVERALL | | SHOULDER DIAMETER | 0.183 INCHES MINIMUM FIRST SHOULDER AND 0.185 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 0.195 INCHES MINIMUM FIRST SHOULDER AND 0.200 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | 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 | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL |
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