5305-01-160-6143 SCREW,MACHINE Index 5325-01-160-6145 RING,RETAINING

National Stock Number:
5305-01-160-6144

Federal Supply Class:
5305

National Item Identification Number:
011606144

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:
3176208-C-09510001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.667 INCHES MINIMUM AND
0.750 INCHES MAXIMUM
FASTENER LENGTH0.750 INCHES NOMINAL
MATERIALPLASTIC POLYAMIDE LOCKING FEATURE
STEEL FASTENER
SURFACE TREATMENTZINC FASTENER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM B633 ASSN STD SINGLE TREATMENT RESPONSE FASTENER
HARDNESS RATING39.0 ROCKWELL C MINIMUM AND
45.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH155000 POUNDS PER SQUARE INCH
HEAD STYLEBUTTON
HEAD DIAMETER0.636 INCHES MINIMUM AND
0.656 INCHES MAXIMUM
HEAD HEIGHT0.185 INCHES MINIMUM AND
0.199 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.219 INCHES NOMINAL
LOCKING FEATUREPATCH THREADS


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