5310-01-255-6574, NUT,PLAIN,HEXAGON

National Stock Number:
5310-01-255-6574

Federal Supply Class:
5310

National Item Identification Number:
012556574

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:

FF-N-836	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
MS45905-C10	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

THREAD SERIES	UNF
NOMINAL THREAD SIZE	0.625 INCHES
THREAD QUANTITY PER INCH	18
THREAD CLASS	2B
THREAD DIRECTION	LEFT-HAND
MATERIAL	STEEL COMP 302 OR
	STEEL COMP 303 OR
	STEEL COMP 304 OR
	STEEL COMP 305 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NUT STYLE	HEXAGON
NUT HEIGHT	0.535 INCHES MINIMUM AND
	0.559 INCHES MAXIMUM
WIDTH ACROSS FLATS	0.9220 INCHES MINIMUM AND
	0.9375 INCHES MAXIMUM
BEARING SURFACE TYPE	CHAMFERED
NONDEFINITIVE SPEC/STD DATA	2 TYPE AND
	4 STYLE AND
	A CONDITION
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	FF-N-836
MANUFACTURERS CODE	96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	MS45905-C10

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