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National Stock Number:
5305-01-127-8492
Federal Supply Class:
5305
National Item Identification Number:
011278492
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:
| 10115160 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 645616-12 | 45934 | ONTIC ENGINEERING & MANUFACTURING, INC | | 645616-12 | 99551 | GOODRICH CORPORATION |
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Techincal Specification:
| COUNTERSINK ANGLE | 82.0 DEGREES MINIMUM AND 84.0 DEGREES MAXIMUM | | FASTENER LENGTH | 0.922 INCHES MINIMUM AND 0.952 INCHES MAXIMUM | | HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 0.480 INCHES MINIMUM AND 0.531 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.718 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) | | THREAD QUANTITY PER INCH | 28 | | WIDTH ACROSS FLATS | 0.156 INCHES NOMINAL |
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