5310-00-181-6118 WASHER,FLAT Index 5310-00-181-6122 NUT,PLAIN,ASSEMBLED WASHER

National Stock Number:
5310-00-181-6121

Federal Supply Class:
5310

National Item Identification Number:
001816121

Description:
NUT,PLAIN,ASSEMBLED WASHER

Detail:
A PLAIN NUT ON WHICH HAS BEEN ASSEMBLED A NONREMOVABLE WASHER.


Manufacturer Information:
9770-8019L2ESNA, LLC
9770-872962HARVARD INDUSTRIES INC
MS21244-896906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
COUNTERBORE DIAMETER0.604 INCHES MINIMUM AND 0.614 INCHES MAXIMUM NUT
COUNTERSINK ANGLE25.0 DEGREES MINIMUM AND 35.0 DEGREES MAXIMUM NUT
MATERIALSTEEL NUT
MATERIALSTEEL WASHER
NOMINAL THREAD SIZE0.500 INCHES
NUT COUNTERBORE DEPTH0.281 INCHES MINIMUM AND 0.301 INCHES MAXIMUM NUT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC 2ND TREATMENT RESPONSE WASHER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 3 FED SPEC 1ST TREATMENT RESPONSE NUT
SURFACE TREATMENTCADMIUM NUT
SURFACE TREATMENTPASSIVATE WASHER
TEMP RATING450.0 FAHRENHEIT NOMINAL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH20
THREAD SERIESUNJF


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