5305-00-887-2076 SCREW Index 5305-00-887-2078 SCREW

National Stock Number:
5310-00-887-2077

Federal Supply Class:
5310

National Item Identification Number:
008872077

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:
55823573030HAMILTON SUNDSTRAND CORPORATION


Techincal Specification:
BEARING SURFACE TYPECHAMFERED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 410 OVERALL
NOMINAL THREAD SIZE0.250 INCHES
NUT HEIGHT0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
NUT STYLEHEXAGON
SPECIAL FEATURES12 SERRATIONS LOCATED OPPOSITE OF CHAMFERED BEARING SURFACE
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNEF
THREAD QUANTITY PER INCH32
WIDTH ACROSS FLATS0.500 INCHES NOMINAL


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