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National Stock Number: 5305-00-144-8856
Federal Supply Class: 5305
National Item Identification Number: 001448856
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:
175197 | 71791 | CURTISS-WRIGHT CONTROLS, INC. | LP505-8R6 | 16941 | LONG-LOK LLC |
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Techincal Specification:
COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM | FASTENER LENGTH | 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM | HEAD DIAMETER | 0.300 INCHES MINIMUM AND 0.332 INCHES MAXIMUM | HEAD STYLE | FLAT COUNTERSUNK | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | LOCKING FEATURE | PELLET THREADS | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OR 66 FED STD SINGLE MATERIAL RESPONSE OVERALL | MATERIAL | STEEL OVERALL | MINIMUM TENSILE STRENGTH | 55000 POUNDS PER SQUARE INCH | NOMINAL THREAD DIAMETER | 0.164 INCHES | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | SURFACE TREATMENT | CADMIUM OVERALL | THREAD LENGTH | 0.244 INCHES MINIMUM AND 0.291 INCHES MAXIMUM | THREAD CLASS | 2A | THREAD DIRECTION | RIGHT-HAND | THREAD SERIES DESIGNATOR | UNC | THREAD QUANTITY PER INCH | 32 |
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