5306-00-159-3555 BOLT,INTERNAL WRENCHING Index 5310-00-159-3559 WASHER,FLAT

National Stock Number:
5310-00-159-3556

Federal Supply Class:
5310

National Item Identification Number:
001593556

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:
258552080064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
THREAD SERIESUNF
NOMINAL THREAD SIZE0.375 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-624,COMP 1335 FED SPEC SINGLE MATERIAL RESPONSE OR
QQ-S-624 COMP 4130 THRU 4140 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NUT STYLEHEXAGON
NUT HEIGHT0.320 INCHES MINIMUM AND
0.337 INCHES MAXIMUM
WIDTH ACROSS FLATS0.551 INCHES MINIMUM AND
0.562 INCHES MAXIMUM
HOLE CONFIGURATION STYLECONFIGURATION B
HOLE TYPE AND QUANTITY3 DRILLED
DRILLED HOLE DIAMETER0.052 INCHES NOMINAL
BEARING SURFACE TYPEWASHER FACED


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