3110-00-128-1901 BEARING,BALL,ANNULAR Index 3120-00-128-1907 BEARING,WASHER,THRUST

National Stock Number:
5310-00-128-1903

Federal Supply Class:
5310

National Item Identification Number:
001281903

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:
757037-1589305SIMMONDS PRECISION PRODUCTS INC


Techincal Specification:
BEARING SURFACE TYPEFLAT
COUNTERBORE DIAMETER0.281 INCHES NOMINAL NUT
NUT COUNTERBORE DEPTH0.130 INCHES NOMINAL NUT
NUT HEIGHT0.430 INCHES MINIMUM AND 0.450 INCHES MAXIMUM
NUT STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 2024 OVERALL
NOMINAL THREAD SIZE0.250 INCHES
THREAD SERIESUNF
THREAD QUANTITY PER INCH28
WIDTH ACROSS FLATS0.440 INCHES NOMINAL
SURFACE TREATMENTANODIZE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2B


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