5305-01-042-9956 SCREW Index 5305-01-042-9958 SCREW,MACHINE

National Stock Number:
5305-01-042-9957

Federal Supply Class:
5305

National Item Identification Number:
010429957

Description:
SCREW,ASSEMBLED WASHER

Detail:
A SCREW, (as modified) to which has been assembled one or more nonremovable washer(s).


Manufacturer Information:
34179757712TELEMECHANICS INC
34179764959AMERICAN TELEPHONE AND TELEGRAPH CO


Techincal Specification:
FASTENER LENGTH0.312 INCHES NOMINAL
HEAD HEIGHT0.091 INCHES NOMINAL
HEAD STYLEHEXAGON
INTERNAL DRIVE STYLESLOT
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.138 INCHES
PRIMARY WASHER MATERIAL THICKNESS0.018 INCHES NOMINAL
PRIMARY WASHER OUTSIDE DIAMETER0.028 INCHES NOMINAL
PRIMARY WASHER STYLEFLAT INTERNAL TEETH
SURFACE TREATMENTCHROMATE OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.312 INCHES NOMINAL
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
WASHER QUANTITY1
WIDTH BETWEEN FLATS0.250 INCHES NOMINAL


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