5310-01-378-8179 NUT,SELF-LOCKING,EXTENDED WASHER Index 4710-01-378-8181 TUBE ASSEMBLY,METAL

National Stock Number:
5310-01-378-8180

Federal Supply Class:
5310

National Item Identification Number:
013788180

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:
12387305-901417GENERAL DYNAMICS LAND SYSTEMS INC.
12387305-919207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
FF-W-83681348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.375 INCHES
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 4 STYLE
NUT HEIGHT0.320 INCHES MINIMUM AND 0.337 INCHES MAXIMUM
NUT STYLEHEXAGON
SPECIAL FEATURESFINISH COLOR BRONZE OR OLIVE DRAB
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTMB633, TYPE 2, CLASS 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTZINC AND CHROMATE OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH16
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM


Click here to Register for Free 30-day Trial