5310-00-093-6940 NUT,PLAIN,ROUND Index 5310-00-093-6943 WASHER,FLAT

National Stock Number:
5305-00-093-6942

Federal Supply Class:
5305

National Item Identification Number:
000936942

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:
NAS1352-5-2880205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
THREAD SERIES DESIGNATORUNRC
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.125 INCHES MINIMUM
FASTENER LENGTH1.710 INCHES MINIMUM AND
1.750 INCHES MAXIMUM
MATERIALSTEEL OVERALL
SURFACE TREATMENTOXIDE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-13924,CL1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
COLORBLACK OVERALL
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND
45.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH170000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH150000 POUNDS PER SQUARE INCH
HEAD STYLEFLAT CHAMFER
HEAD DIAMETER0.457 INCHES MINIMUM AND
0.469 INCHES MAXIMUM
HEAD HEIGHT0.306 INCHES MINIMUM AND
0.312 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.250 INCHES MINIMUM AND
0.253 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA80205-NAS1352 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD


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