5305-01-187-9560 SCREW,CLOSE TOLERANCE Index 5310-01-187-9562 NUT SPACER,PLATE

National Stock Number:
5310-01-187-9561

Federal Supply Class:
5310

National Item Identification Number:
011879561

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:
MS16285-396906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
BEARING SURFACE TYPEWASHER FACED OR CHAMFERED
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A194 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A193 ASSN STD 2ND MATERIAL RESPONSE OR ASTM A193 ASSN STD 3RD MATERIAL RESPONSE OR ASTM A193 ASSN STD 4TH MATERIAL RESPONSE OR 66 FED STD 2ND MATERIAL RESPONSE OR 66 FED STD 3RD MATERIAL RESPONSE OR 66 FED STD 4TH MATERIAL RESPONSE OVERALL
MATERIALSTEEL UNS K14510 OR STEEL COMP 4140 OR STEEL COMP 4142 OR STEEL COMP 4145 OVERALL
NOMINAL THREAD SIZE0.375 INCHES
NUT HEIGHT0.341 INCHES MINIMUM AND 0.377 INCHES MAXIMUM
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.669 INCHES MINIMUM AND 0.688 INCHES MAXIMUM
TEMP RATING1000.0 FAHRENHEIT MAXIMUM
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH16
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)


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