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National Stock Number:
5305-01-196-3863
Federal Supply Class:
5305
National Item Identification Number:
011963863
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:
| 4156 | 93784 | HUSCO INTERNATIONAL INC |
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Techincal Specification:
| FASTENER LENGTH | 1.062 INCHES NOMINAL | | HEAD DIAMETER | 0.700 INCHES MINIMUM AND 0.705 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | SLOT | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SHOULDER DIAMETER | 0.590 INCHES MINIMUM AND 0.593 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER LENGTH | 0.662 INCHES NOMINAL FIRST SHOULDER | | SPECIAL FEATURES | HOLE DIA 0.281 IN. DRILLED IN POINT T0 0.125 IN. DEPTH,UNDERCUT BETWEEN THREADS AND END OF SHOULDER 0.075 IN. MIN AND 0.090 IN. MAX LENGTH | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 2A | | THREAD LENGTH | 0.417 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 20 |
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