5310-00-011-4378 NUT,PLAIN,HEXAGON Index 5310-00-011-4380 NUT,PLAIN,SQUARE

National Stock Number:
5310-00-011-4379

Federal Supply Class:
5310

National Item Identification Number:
000114379

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:
11437921450ARMY WEAPONS COMMAND ATTN AMSWE-REE-S
11437924617GENERAL MOTORS CORP
1143797X677GENERAL MOTORS LLC
7X4 1-463734KAITLIN CORP


Techincal Specification:
BEARING SURFACE TYPEFLAT
NOMINAL THREAD SIZE0.250 INCHES
NUT HEIGHT0.178 INCHES MINIMUM AND 0.193 INCHES MAXIMUM
NUT STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-611-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH20
THREAD SERIESUNC
WIDTH ACROSS FLATS0.4230 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM


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