5305-00-639-0403 SCREW,EYE Index 5310-00-639-0413 NUT,PLAIN,HEXAGON

National Stock Number:
5310-00-639-0409

Federal Supply Class:
5310

National Item Identification Number:
006390409

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:
00757-214153DEFENSE LOGISTICS AGENCY DBA DEFENSE SUPPLY CENTER PHILADELPHIA
34148-245934ONTIC ENGINEERING & MANUFACTURING, INC
34148-270210HONEYWELL INTERNATIONAL INC.
34148-272599ALLIEDSIGNAL INC DBA ALLIED-SIGNAL AEROSPACE CO


Techincal Specification:
DRILLED HOLE DIAMETER0.041 INCHES NOMINAL
BEARING SURFACE TYPECHAMFERED
HOLE CONFIGURATION STYLECONFIGURATION H
HOLE TYPE AND QUANTITY2 DRILLED
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5010 ASSN STD 1ST MATERIAL RESPONSE OR SAE ASSN STD 2ND MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1213 OR STEEL COMP 1212 OVERALL
NOMINAL THREAD SIZE0.250 INCHES
NUT HEIGHT0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.371 INCHES MINIMUM AND 0.377 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH28
THREAD SERIESUNF


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