9905-00-550-2477 PLATE,INSTRUCTION Index 5310-00-550-2491 NUT,PLAIN,HEXAGON

National Stock Number:
5310-00-550-2490

Federal Supply Class:
5310

National Item Identification Number:
005502490

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:
10-936222787PRECISION AEROSPACE CORPORATION DBA PRECISION ENGINE CONTROL
10-936259501UNISON INDUSTRIES LLC
10-936277820AMPHENOL CORP


Techincal Specification:
THREAD SERIESUNC
NOMINAL THREAD SIZE0.164 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL COMP 8630 OR
STEEL COMP 4140 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMS 6280 FED SPEC SINGLE MATERIAL RESPONSE OR
AMS 6382 ASSN STD 2ND MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONC-0491 FSCM 36659 MFR REF SINGLE TREATMENT RESPONSE OVERALL
NUT STYLEHEXAGON
NUT HEIGHT0.120 INCHES MINIMUM AND
0.130 INCHES MAXIMUM
WIDTH ACROSS FLATS0.247 INCHES MINIMUM AND
0.253 INCHES MAXIMUM
BEARING SURFACE TYPECHAMFERED


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