5310-00-168-2971 NUT,SELF-LOCKING,PLATE Index 5310-00-168-2973 WASHER,FLAT

National Stock Number:
5310-00-168-2972

Federal Supply Class:
5310

National Item Identification Number:
001682972

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:
870544719207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
BEARING SURFACE TYPEFLAT
FEATURES PROVIDEDCASEHARDENED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-631 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1015 OR STEEL COMP 1025 OVERALL
NOMINAL THREAD SIZE0.750 INCHES
NUT HEIGHT0.440 INCHES NOMINAL
NUT STYLEHEXAGON
WIDTH ACROSS FLATS1.425 INCHES MINIMUM AND 1.450 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OR QQ-Z-325 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNF
THREAD QUANTITY PER INCH16


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