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National Stock Number:
5305-01-267-4979
Federal Supply Class:
5305
National Item Identification Number:
012674979
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:
| 7249122P003 | 03538 | LOCKHEED MARTIN CORPORATION | | 7249122P003VM | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |
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Techincal Specification:
| FASTENER LENGTH | 1.000 INCHES NOMINAL | | HEAD DIAMETER | 0.750 INCHES NOMINAL | | HEAD HEIGHT | 0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | HOLE CONFIGURATION STYLE | ROUND INTERNAL HEXAGON | | HOLE QUANTITY | 2 | | HOLE TYPE | DRILLED | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 316 OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION | | SHANK UNTHREADED HOLE DIAMETER | 0.057 INCHES MINIMUM AND 0.063 INCHES MAXIMUM FIRST HOLE | | WIDTH ACROSS FLATS | 0.375 INCHES NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNC |
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