5310-01-591-0981 WASHER,FLAT 5310-01-591-1318 WASHER,FLAT

National Stock Number:
5310-01-591-0985

Federal Supply Class:
5310

National Item Identification Number:
015910985

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:
300010280212BAE SYSTEMS LAND & ARMAMENTS L.P.
3000102-038076M6AMZ ALABAMA INC.
3000102-03880212BAE SYSTEMS LAND & ARMAMENTS L.P.


Techincal Specification:
BEARING SURFACE TYPEFLAT
MATERIALSTEEL OVERALL
III PART NAME ASSIGNED BY CONTROLLING AGENCYNUT, HEX, JAM, UNC, STEEL
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD SIZE0.3750 INCHES
NUT HEIGHT0.219 INCHES NOMINAL
NUT STYLEHEXAGON
SPECIAL FEATURESSTEEL, GRADE DH OR DH3
WIDTH ACROSS FLATS0.557 INCHES NOMINAL
THREAD DIRECTIONRIGHT-HAND
THREAD PITCH DIAMETERS+0.3344 TO 0.3401 INCHES
THREAD QUANTITY PER INCH16
THREAD SERIESUNC


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