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National Stock Number:
5305-00-455-0382
Federal Supply Class:
5305
National Item Identification Number:
004550382
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:
| 12W9044-7 | 81755 | LOCKHEED MARTIN CORPORATION | | AIC4533-6-1 | 06725 | SPS TECHNOLOGIES, LLC | | C4533-6-1 | 81755 | LOCKHEED MARTIN CORPORATION | | VT1658-6-1 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.965 INCHES MINIMUM FIRST HOLE AND 0.995 INCHES MAXIMUM FIRST HOLE | | FASTENER LENGTH | 1.081 INCHES MINIMUM AND 1.111 INCHES MAXIMUM | | HEAD DIAMETER | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM | | HEAD HEIGHT | 0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | MATERIAL | STEEL COMP H11 OVERALL | | MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH | | SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES MINIMUM FIRST HOLE AND 0.086 INCHES MAXIMUM FIRST HOLE | | SHOULDER DIAMETER | 0.315 INCHES MINIMUM FIRST SHOULDER AND 0.325 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER DIAMETER | 0.3712 INCHES MINIMUM SECOND SHOULDER AND 0.3717 INCHES MAXIMUM SECOND SHOULDER | | SHOULDER LENGTH | 0.270 INCHES MINIMUM SECOND SHOULDER AND 0.295 INCHES MAXIMUM SECOND SHOULDER | | SHOULDER LENGTH | 0.050 INCHES MINIMUM FIRST SHOULDER AND 0.070 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND ALL SHOULDERS | | SPECIAL FEATURES | SHOULDER 16 MICROINCH FINISH | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.316 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 28 | | SURFACE TREATMENT | CADMIUM OVERALL |
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