5310-00-020-7119 WASHER,SHOULDERED Index 5120-00-020-7121 WRENCH,SPANNER

National Stock Number:
5310-00-020-7120

Federal Supply Class:
5310

National Item Identification Number:
000207120

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:
66-3706-181205THE BOEING COMPANY


Techincal Specification:
THREAD SERIESUNEF
NOMINAL THREAD SIZE1.312 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL COMP 416 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTSILVER OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONBAC5715 TY 2, GR B CAGE 81205 MFR REF SINGLE TREATMENT RESPONSE OVERALL
NUT STYLEHEXAGON
NUT HEIGHT0.310 INCHES NOMINAL
WIDTH ACROSS FLATS1.620 INCHES NOMINAL
HOLE CONFIGURATION STYLECONFIGURATION A
HOLE TYPE AND QUANTITY6 DRILLED
DRILLED HOLE DIAMETER0.096 INCHES NOMINAL
BEARING SURFACE TYPEWASHER FACED
THE MANUFACTURERS DATA
MANUFACTURERS CODE81205
DESIGN CONTROL REFERENCE66-3706-1


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