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National Stock Number:
5305-01-512-8696
Federal Supply Class:
5305
National Item Identification Number:
015128696
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:
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Techincal Specification:
| FASTENER LENGTH | 0.812 INCHES NOMINAL | | HEAD DIAMETER | 0.375 INCHES NOMINAL | | HEAD HEIGHT | 0.190 INCHES NOMINAL | | HEAD STYLE | PAN NO. 2 | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-764, COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 303 OVERALL | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, SHOULDER | | SHOULDER DIAMETER | 0.249 INCHES NOMINAL ALL SHOULDERS | | SHOULDER SHAPE | ROUND ALL SHOULDERS | | SHOULDER LENGTH | 0.531 INCHES NOMINAL ALL SHOULDERS | | SPECIAL FEATURES | BETWEEN SHOULDER AND THREADS THEIRS 1 1/2 THSD UNDERCUT, WITH END 45 DEGREES CHAMFER. BETWEEN SHOULDER AND THE HEAD THEIRS .031 WIDTH CUTDOWN. | | WIDTH ACROSS FLATS | 0.099 INCHES NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072-A (EL) E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 2A | | THREAD LENGTH | 0.250 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 32 |
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