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National Stock Number:
5305-00-530-3314
Federal Supply Class:
5305
National Item Identification Number:
005303314
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:
| 5303314 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | P23014 | 14892 | BENDIX CORP THE BRAKE AND STEERING DIV | | P23014 | 94033 | CARDWELL CONDENSER CORP LAPOINTE-ADMIRAL DIV |
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Techincal Specification:
| FASTENER LENGTH | 0.896 INCHES MINIMUM AND 0.906 INCHES MAXIMUM | | HEAD DIAMETER | 0.500 INCHES NOMINAL | | HEAD HEIGHT | 0.062 INCHES MINIMUM AND 0.072 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | MATERIAL | STEEL COMP 420 OVERALL | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | SPECIAL FEATURES | 0.359 IN. DIA BY 0.031 IN. DEEP UNDERCUT BENEATH HEAD | | SHOULDER DIAMETER | 0.376 INCHES MINIMUM AND 0.377 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER LENGTH | 0.578 INCHES MINIMUM AND 0.584 INCHES MAXIMUM FIRST SHOULDER | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.235 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNF |
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