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:
THREAD SERIESUN
NOMINAL THREAD SIZE1.062 INCHES
THREAD QUANTITY PER INCH12
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL COMP 1212 OR
STEEL COMP 1213 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-637 FED SPEC ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENTCADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQ-P-416,TY 2,CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL
HARDNESS RATING86.9 ROCKWELL SUPERFICIAL 15-N MINIMUM AND
92.2 ROCKWELL SUPERFICIAL 15-N MAXIMUM
NUT STYLEHEXAGON
NUT HEIGHT0.375 INCHES NOMINAL
WIDTH ACROSS FLATS1.480 INCHES MINIMUM AND
1.500 INCHES MAXIMUM
BEARING SURFACE TYPEFLAT
FEATURES PROVIDEDCASEHARDENED
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE21450
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE143405


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