5305-01-335-2902 SCREW,CAP,SOCKET HEAD Index 5306-01-335-2904 BOLT,CLOSE TOLERANCE

National Stock Number:
5305-01-335-2903

Federal Supply Class:
5305

National Item Identification Number:
013352903

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.


Manufacturer Information:
0.375-16UNC-3AX1.250 IN. LG NICU80204AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED
FF-S-8681348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
FASTENER LENGTH1.250 INCHES NOMINAL
HEAD DIAMETER0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
HEAD HEIGHT0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY 400 OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES
NONDEFINITIVE SPEC/STD DATA6 TYPE
WIDTH ACROSS FLATS0.312 INCHES NOMINAL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH1.125 INCHES MINIMUM AND 1.250 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNC
THREAD QUANTITY PER INCH16


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