5340-01-456-0176 HANDLE,BAIL Index 4820-01-456-0178 VALVE,SAFETY RELIEF

National Stock Number:
5305-01-456-0177

Federal Supply Class:
5305

National Item Identification Number:
014560177

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:
21107581553711NAVAL SEA SYSTEMS COMMAND
243-6758311-MAS-A2553711NAVAL SEA SYSTEMS COMMAND
243-6758311-MSA S-A25D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH


Techincal Specification:
THREAD SERIES DESIGNATORUNRC
NOMINAL THREAD DIAMETER0.875 INCHES
THREAD QUANTITY PER INCH9
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH2.250 INCHES MINIMUM AND
3.690 INCHES MAXIMUM
FASTENER LENGTH3.860 INCHES MINIMUM AND
4.100 INCHES MAXIMUM
MATERIALCOPPER ALLOY OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MINIMUM TENSILE STRENGTH80000 POUNDS PER SQUARE INCH
HEAD STYLEFLAT CHAMFER
HEAD DIAMETER1.293 INCHES MINIMUM AND
1.312 INCHES MAXIMUM
HEAD HEIGHT0.864 INCHES MINIMUM AND
0.875 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.750 INCHES NOMINAL
LOCKING FEATUREPATCH OR
PELLET OR
STRIP THREADS


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