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National Stock Number:
5305-01-245-4040
Federal Supply Class:
5305
National Item Identification Number:
012454040
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:
| 9338676 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | AHYM | | FASTENER LENGTH | 0.780 INCHES NOMINAL | | HEAD HEIGHT | 0.120 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE | | MATERIAL | STEEL COMP 4130 OVERALL | | NOMINAL THREAD DIAMETER | 0.3125 INCHES | | SHOULDER DIAMETER | 0.400 INCHES NOMINAL FIRST SHOULDER | | SHOULDER LENGTH | 0.520 INCHES NOMINAL SECOND SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.150 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNF | | WIDTH BETWEEN FLATS | 0.500 INCHES NOMINAL |
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