5310-01-386-3477 WASHER,FLAT Index 5340-01-386-3479 BRACKET,ANGLE

National Stock Number:
5310-01-386-3478

Federal Supply Class:
5310

National Item Identification Number:
013863478

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:
03A251-10C1W025NORTHROP GRUMMAN SYSTEMS CORP
AD03A251-10C92595NELSON STUD WELDING, INC
T-1156-10C03038LONG-LOK, LLC
H52826-1015653HOWMET GLOBAL FASTENING SYSTEMS INC
T-1156-10C16941LONG-LOK LLC


Techincal Specification:
THREAD SERIESUNJF
NOMINAL THREAD SIZE0.625 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
MATERIALIRON ALLOY 660 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NUT STYLEHEXAGON
NUT HEIGHT0.396 INCHES MINIMUM AND
0.416 INCHES MAXIMUM
WIDTH ACROSS FLATS0.986 INCHES MINIMUM AND
1.002 INCHES MAXIMUM
BEARING SURFACE TYPECHAMFERED OR
WASHER FACED
TEMP RATING250.0 DEG FAHRENHEIT MAXIMUM


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