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National Stock Number:
5305-00-866-5344
Federal Supply Class:
5305
National Item Identification Number:
008665344
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:
| 6823456 | 24617 | GENERAL MOTORS CORP | | 6823456 | 73342 | ALLISON TRANSMISSION INC |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.906 INCHES NOMINAL FIRST HOLE | | FASTENER LENGTH | 3.026 INCHES MINIMUM AND 3.036 INCHES MAXIMUM | | HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 1.250 INCHES NOMINAL | | HEAD HEIGHT | 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL | STEEL COMP 4340 OVERALL | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | PRECIOUS MATERIAL AND LOCATION | GRIP SILVER | | PRECIOUS MATERIAL | SILVER | | SHANK UNTHREADED HOLE DIAMETER | 0.070 INCHES NOMINAL FIRST HOLE | | SHOULDER DIAMETER | 0.7515 INCHES MINIMUM AND 0.7520 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 2.461 INCHES MINIMUM AND 2.464 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SURFACE TREATMENT | SILVER GRIP | | SURFACE TREATMENT | CADMIUM HEAD | | SURFACE TREATMENT | CADMIUM THREADS | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.570 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNF | | WIDTH ACROSS FLATS | 0.375 INCHES MINIMUM AND 0.378 INCHES MAXIMUM |
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