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National Stock Number:
5305-01-156-0719
Federal Supply Class:
5305
National Item Identification Number:
011560719
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:
| 019058-1 | 17981 | SCI SYSTEMS INC | | 019058-1 | 1EG27 | NEW YORK FASTENERS | | 4-40UNC3AX1/4 | 70276 | ALLEN MFG CO SUB OF CHICAGO PNEUMATIC TOOL CO | | 10115471 | A486G | NIMIKKEISTOKESKUS NCB FINLAND |
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Techincal Specification:
| FASTENER LENGTH | 0.250 INCHES NOMINAL | | HEAD DIAMETER | 0.207 INCHES NOMINAL | | HEAD HEIGHT | 0.060 INCHES NOMINAL | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD DIAMETER | 0.112 INCHES | | WIDTH ACROSS FLATS | 0.063 INCHES NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-STD-171 MIL STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3A | | THREAD LENGTH | 0.250 INCHES NOMINAL | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 4-40 | | THREAD SERIES DESIGNATOR | UNC |
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