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National Stock Number:
5305-00-637-8412
Federal Supply Class:
5305
National Item Identification Number:
006378412
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:
| 10013291 | 04939 | LOCKHEED MARTIN CORPORATION | | NK503-8-10 | 03038 | LONG-LOK, LLC | | NK503-8-10 | 26233 | NYLOK LLC |
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Techincal Specification:
| FASTENER LENGTH | 0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM | | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.108 INCHES MINIMUM AND 0.113 INCHES MAXIMUM | | HEAD DIAMETER | 0.260 INCHES MINIMUM AND 0.270 INCHES MAXIMUM | | HEAD STYLE | FILLISTER | | INTERNAL DRIVE STYLE | SLOT | | LOCKING FEATURE | PELLET THREADS | | MATERIAL | STEEL OVERALL | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.164 INCHES | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.562 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNC |
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