5310-01-558-4260 WASHER,FLAT Index 5305-01-558-4262 SCREW,MACHINE

National Stock Number:
5310-01-558-4261

Federal Supply Class:
5310

National Item Identification Number:
015584261

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:
366791145152OSHKOSH CORP
366791175Q65OSHKOSH DEFENSE LLC


Techincal Specification:
BEARING SURFACE TYPEFLAT
INSIDE WIDTH ACROSS FLATS1.034 INCHES MINIMUM AND 1.125 INCHES MAXIMUM
LUBRICATIONOIL
MATERIALSTEEL COMP 4140 OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYNUT,HEX;0.75-16 GB PO SPL
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD SIZE0.750 INCHES
NUT COUNTERBORE DEPTH1.250 INCHES NOMINAL FIRST END
NUT HEIGHT2.380 INCHES NOMINAL
NUT STYLEINTERNAL OR EXTERNAL WRENCHING HEXAGON
SPECIAL FEATURES4140 STEEL;PHOSPHATE AND OIL COATING FINISH
WIDTH ACROSS FLATS1.125 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-P-16232 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPHOSPHATE OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH16
THREAD SERIESUNF


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