5331-01-438-1666 O-RING Index 7641-01-438-1668 AERONAUTICAL GEOSPATIAL PRODUCTS

National Stock Number:
5305-01-438-1667

Federal Supply Class:
5305

National Item Identification Number:
014381667

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:
3612-LP-4J62J863857CIRCOR NAVAL SOLUTIONS LLC
LP-4J62J8D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
PL-999F0840-2063857CIRCOR NAVAL SOLUTIONS LLC


Techincal Specification:
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND 84.0 DEGREES MAXIMUM
FASTENER LENGTH0.500 INCHES NOMINAL
HEAD DIAMETER0.263 INCHES MINIMUM AND 0.307 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A468 ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIALNICKEL ALLOY OVERALL
NOMINAL THREAD DIAMETER0.138 INCHES
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.438 INCHES MAXIMUM
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS0.078 INCHES NOMINAL


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