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National Stock Number:
5305-01-395-9640
Federal Supply Class:
5305
National Item Identification Number:
013959640
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:
| 803-6397421 PIECE 44 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.625 INCHES | | THREAD QUANTITY PER INCH | 11 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.163 INCHES NOMINAL | | FASTENER LENGTH | 1.087 INCHES MINIMUM AND | | 1.092 INCHES MAXIMUM | | MATERIAL | COPPER ALLOY 360 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B16 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | HEAD STYLE | ROUND W/WRENCH FLATS | | HEAD DIAMETER | 1.120 INCHES NOMINAL | | HEAD HEIGHT | 0.250 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 1.000 INCHES NOMINAL | | INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE | | LOCKING FEATURE | UNDERCUT GRIP | | SHOULDER SHAPE | ROUND OVERALL | | SHOULDER DIAMETER | 0.748 INCHES MINIMUM AND | | 0.750 INCHES MAXIMUM OVERALL | | SHOULDER LENGTH | 1.087 INCHES MINIMUM AND | | 1.092 INCHES MAXIMUM OVERALL |
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