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National Stock Number:
5305-00-187-9931
Federal Supply Class:
5305
National Item Identification Number:
001879931
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:
| W1377PC18 | 01804 | NUCLEAR PACIFIC INC |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | ZZZY | | COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 84.0 DEGREES MAXIMUM | | FASTENER LENGTH | 1.960 INCHES MINIMUM AND 2.000 INCHES MAXIMUM | | HARDNESS RATING | | | HEAD DIAMETER | 0.720 INCHES MINIMUM AND 0.781 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | HEXAGON | | MINIMUM TENSILE STRENGTH | 170000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY PACKAGING WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS | | SPECIAL TEST FEATURES | SPECIAL QUALITY CONTROL TESTING | | THREAD CLASS | 3A | | THREAD LENGTH | 1.601 INCHES MINIMUM AND 1.766 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 16 | | THREAD SERIES DESIGNATOR | UNC | | WIDTH ACROSS FLATS | 0.219 INCHES NOMINAL |
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