5331-01-078-4955 O-RING Index 5340-01-078-4957 STANDOFF,THREADED,SPACING

National Stock Number:
5310-01-078-4956

Federal Supply Class:
5310

National Item Identification Number:
010784956

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:
117983330DIALIGHT CORPORATION
117991967HALSIT HOLDINGS LLC
7939424975PRESTOLITE ELECTRIC INC
7939435510PRESTOLITE ELECTRIC INC
8AX13345152OSHKOSH CORP
1179C83330DIALIGHT CORPORATION
8AX13375Q65OSHKOSH DEFENSE LLC


Techincal Specification:
BEARING SURFACE TYPEFLAT
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.138 INCHES
NUT HEIGHT0.087 INCHES MINIMUM AND 0.098 INCHES MAXIMUM
NUT STYLEHEXAGON
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE I,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH32
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS0.241 INCHES MINIMUM AND 0.250 INCHES MAXIMUM


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