5310-00-639-8985 NUT,PLAIN,HEXAGON Index 5305-00-639-8996 SCREW,CAP,SOCKET HEAD

National Stock Number:
5310-00-639-8994

Federal Supply Class:
5310

National Item Identification Number:
006398994

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:
D87885-860A396COMPUTA-BASE-MACHINING, INC.
D87885-860JC12BEC SYSTEMS LLC
D87885-861UF60U.S.A. SPARES INC.
D87885-8680020NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION CODE 4.8.8.0.0.B BLDG 148-2


Techincal Specification:
BEARING SURFACE TYPEWASHER FACED
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758,COND D MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4130 OVERALL
NOMINAL THREAD SIZE1.250 INCHES
NUT STYLEHEXAGON
NUT HEIGHT1.062 INCHES NOMINAL
WIDTH ACROSS FLATS1.875 INCHES NOMINAL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH7
THREAD SERIESUNC


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