5310-00-411-8978 WASHER,FLAT Index 5310-00-411-8980 WASHER,FLAT

National Stock Number:
5310-00-411-8979

Federal Supply Class:
5310

National Item Identification Number:
004118979

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:
8396SS0832-706540NEW HAVEN MFG CORP AMATOM ELECTRONIC HARDWARE DIV
8396SS0832-71YGB8CAREY MANUFACTURING CO, INC
SR4545-21-2009017EDO
NAS183180205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
NAS1831C5D1080205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
CROSS-SECTIONAL SHAPEHEXAGON
CROSS-SECTIONAL LENGTH0.625 INCHES NOMINAL
NOMINAL THREAD SIZE0.164 INCHES RIGHT INTERNAL
SPECIAL FEATURESMATERIAL: STEEL COMP 303 OVERALL;SURFACE TREATMENT: PASSIVATE OVERALL;MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL;BEARING SURFACE TYPE: FLAT
WIDTH ACROSS FLATS0.313 INCHES NOMINAL
THREAD CLASS2B RIGHT INTERNAL
THREAD DIRECTIONRIGHT-HAND RIGHT INTERNAL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD)
THREAD QUANTITY PER INCH32 RIGHT INTERNAL


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