4540-01-135-2420 HEATING ELEMENT,ELECTRICAL,IMMER Index 5310-01-135-2422 NUT,PLAIN,SPLINE

National Stock Number:
5310-01-135-2421

Federal Supply Class:
5310

National Item Identification Number:
011352421

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:
SM-B-500385-280063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR


Techincal Specification:
BEARING SURFACE TYPECHAMFERED
MATERIAL DOCUMENT AND CLASSIFICATIONF-10001,FSCM 27280 MFR REF SINGLE MATERIAL RESPONSE LOCKING INSERT
MATERIALCOPPER ALLOY NUT
MATERIALPLASTIC POLYAMIDE (NYLON) LOCKING INSERT
NOMINAL THREAD SIZE0.112 INCHES
NUT HEIGHT0.110 INCHES NOMINAL
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.183 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE NUT
SURFACE TREATMENTCADMIUM AND CHROMATE NUT
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNC
THREAD QUANTITY PER INCH40


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