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National Stock Number:
5305-01-232-3537
Federal Supply Class:
5305
National Item Identification Number:
012323537
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:
| 2804728 | K0662 | LEONARDO MW LTD | | 2804728 | U6682 | LEONARDO UK LTD | | 2804728-2 | 55972 | HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS |
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Techincal Specification:
| FASTENER LENGTH | 0.770 INCHES MINIMUM AND 0.790 INCHES MAXIMUM | | HEAD HEIGHT | 0.060 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.112 INCHES | | SHOULDER DIAMETER | 0.119 INCHES MINIMUM AND 0.120 INCHES MAXIMUM SECOND SHOULDER | | SHOULDER DIAMETER | 0.160 INCHES MINIMUM AND 0.165 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 0.250 INCHES NOMINAL FIRST SHOULDER | | SHOULDER LENGTH | 0.480 INCHES NOMINAL SECOND SHOULDER | | SHOULDER SHAPE | ROUND ALL SHOULDERS | | SPECIAL FEATURES | SECOND SHOULDER CHAMFERED TO UNDER CUT 0.0925 DIAMETER AND 0.080 LENGTH,UNDERCUT LENGTH 0.030 WIDE | | WIDTH BETWEEN FLATS | 0.265 INCHES MINIMUM AND 0.270 INCHES MAXIMUM | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.280 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 40 | | THREAD SERIES DESIGNATOR | UNC |
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