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National Stock Number:
5305-00-390-0499
Federal Supply Class:
5305
National Item Identification Number:
003900499
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:
| 2106553 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.164 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.580 INCHES MINIMUM AND | | 0.594 INCHES MAXIMUM | | FASTENER LENGTH | 1.671 INCHES MINIMUM AND | | 1.719 INCHES MAXIMUM | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | HEAD STYLE | HEXAGON | | HEAD HEIGHT | 0.156 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.433 INCHES MINIMUM AND | | 0.437 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER DIAMETER | 0.246 INCHES MINIMUM AND | | 0.247 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 1.062 INCHES NOMINAL FIRST SHOULDER |
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