4820-00-542-3428 CAP ASSEMBLY,VALVE Index 5320-00-542-3435 PIN-RIVET

National Stock Number:
5310-00-542-3431

Federal Supply Class:
5310

National Item Identification Number:
005423431

Description:
NUT,PLAIN,HEXAGON

Detail:
A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see LOCKNUT, ELECTRICAL CONDUIT. See also LOCKNUT, TUBE FITTING. For items having a thickness (or height) exceeding two times the width across the flats, use POST, ELECTRICAL-MECHANICAL EQUIPMENT. (When height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)


Manufacturer Information:
14340521450ARMY WEAPONS COMMAND ATTN AMSWE-REE-S


Techincal Specification:
BEARING SURFACE TYPEFLAT
FEATURES PROVIDEDCASEHARDENED
HARDNESS RATING86.9 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 92.2 ROCKWELL SUPERFICIAL 15-N MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-637 FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 1212 OR STEEL COMP 1213 OVERALL
NOMINAL THREAD SIZE1.062 INCHES
NUT HEIGHT0.375 INCHES NOMINAL
NUT STYLEHEXAGON
WIDTH ACROSS FLATS1.480 INCHES MINIMUM AND 1.500 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQ-P-416,TY 2,CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH12
THREAD SERIESUN


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