5305-00-071-5595 SCREW,SHOULDER Index 5330-00-071-5599 PACKING,VALVE STEM

National Stock Number:
5305-00-071-5596

Federal Supply Class:
5305

National Item Identification Number:
000715596

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:
A414463-180020NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION CODE 4.8.8.0.0.B BLDG 148-2


Techincal Specification:
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.625 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.750 INCHES MINIMUM
FASTENER LENGTH3.750 INCHES NOMINAL
MATERIALPLASTIC POLYCHLOROTRIFLUOROETHYLENE LOCKING FEATURE
STEEL FASTENER
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-18240 MIL SPEC SINGLE MATERIAL RESPONSE LOCKING FEATURE
FF-S-86 FED SPEC SINGLE MATERIAL RESPONSE FASTENER
SURFACE TREATMENTZINC FASTENER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONFF-S-86 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
COLORBLUE LOCKING FEATURE
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND
43.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLEFLAT CHAMFER
HEAD DIAMETER0.921 INCHES MINIMUM AND
0.937 INCHES MAXIMUM
HEAD HEIGHT0.616 INCHES MINIMUM AND
0.625 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.500 INCHES NOMINAL
LOCKING FEATURESTRIP THREADS


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