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National Stock Number:
5305-00-424-0889
Federal Supply Class:
5305
National Item Identification Number:
004240889
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:
| 204651 | 06853 | BENDIX COMMERCIAL VEHICLE SYSTEMS LLC |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.656 INCHES NOMINAL FIRST HOLE | | FASTENER LENGTH | 0.750 INCHES NOMINAL | | HEAD HEIGHT | 0.060 INCHES MINIMUM AND 0.064 INCHES MAXIMUM | | HEAD DIAMETER | 0.432 INCHES MINIMUM AND 0.442 INCHES MAXIMUM | | HEAD STYLE | FLUSH | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.073 INCHES NOMINAL FIRST HOLE | | SHOULDER DIAMETER | 0.281 INCHES MINIMUM AND 0.283 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 0.167 INCHES MINIMUM AND 0.177 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SPLINE MAJOR DIAMETER | 0.034 INCHES MINIMUM AND 0.035 INCHES MAXIMUM | | SPLINE MINOR DIAMETER | 0.025 INCHES MINIMUM AND 0.026 INCHES MAXIMUM | | SPLINE WIDTH | 0.011 INCHES MINIMUM AND 0.012 INCHES MAXIMUM | | SURFACE TREATMENT | OXIDE FILM OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.312 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNF |
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