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National Stock Number:
5305-00-055-7109
Federal Supply Class:
5305
National Item Identification Number:
000557109
Description:
SCREW,CAP,SOCKET HEAD
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.
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Manufacturer Information:
| B2A440-6C3 | 08353 | BRISTOL BABCOCK CANADA INC | | S900073-9 | 05257 | GENERAL DYNAMICS LAND SYSTEMS - CANADA CORPORATION |
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Techincal Specification:
| FASTENER LENGTH | 0.375 INCHES NOMINAL | | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 0.183 INCHES NOMINAL | | HEAD HEIGHT | 0.112 INCHES NOMINAL | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | SIX SPLINE | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.112 INCHES | | SPLINE WIDTH | 0.022 INCHES NOMINAL | | SPLINE MAJOR DIAMETER | 0.098 INCHES NOMINAL | | SPLINE MINOR DIAMETER | 0.082 INCHES NOMINAL | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.263 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 40 | | THREAD SERIES DESIGNATOR | UNC |
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