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National Stock Number:
5305-01-566-2879
Federal Supply Class:
5305
National Item Identification Number:
015662879
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:
| 10297095 | 3M915 | GENERAL FASTENERS CO | | 6043006 | 34623 | AM GENERAL LLC |
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Techincal Specification:
| FASTENER LENGTH | 2.735 INCHES MINIMUM AND 2.755 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | HEAD MAJOR DIAMETER | 0.543 INCHES MINIMUM AND 0.562 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | HEXAGON | | PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT,5/16-18, 3/8 X 2.5 SHSS | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | WIDTH ACROSS FLATS | 0.187 INCHES NOMINAL | | SURFACE TREATMENT | TIN OVERALL AND ZINC OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.500 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES DESIGNATOR | UNC |
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