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


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