5310-00-820-7155 NUT,SELF-LOCKING,CLINCH Index 5310-00-820-7158 NUT,PLAIN,HEXAGON

National Stock Number:
5310-00-820-7157

Federal Supply Class:
5310

National Item Identification Number:
008207157

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:
901095018876U S ARMY AVIATION AND MISSILE COMMAND


Techincal Specification:
BEARING SURFACE TYPEFLAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633,COND A-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1117 OVERALL
NOMINAL THREAD SIZE0.375 INCHES
NUT HEIGHT0.203 INCHES MINIMUM AND 0.234 INCHES MAXIMUM
NUT STYLEHEXAGON
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-Z-325,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTZINC OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNEF
THREAD QUANTITY PER INCH32
WIDTH ACROSS FLATS0.422 INCHES MINIMUM AND 0.453 INCHES MAXIMUM


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