5310-01-399-0435 WASHER,FLAT Index 5325-01-399-0437 FASTENER,TRIM,RIBBED

National Stock Number:
5310-01-399-0436

Federal Supply Class:
5310

National Item Identification Number:
013990436

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:
F525-11162-52726512NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
THREAD SERIESUNF
NOMINAL THREAD SIZE0.500 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS2B
THREAD DIRECTIONLEFT-HAND
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM AND
CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416, TY2, CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NUT HEIGHT0.302 INCHES MINIMUM AND
0.323 INCHES MAXIMUM
WIDTH ACROSS FLATS0.736 INCHES MINIMUM AND
0.750 INCHES MAXIMUM
BEARING SURFACE TYPECHAMFERED OR
WASHER FACED


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