1680-01-543-1558 BACKING BOARD,LH FO Index 1680-01-543-1560 SPACER,CENTERBODY,A

National Stock Number:
5310-01-543-1559

Federal Supply Class:
5310

National Item Identification Number:
015431559

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:
3M1296C676301THE BOEING COMPANY
94821C615653HOWMET GLOBAL FASTENING SYSTEMS INC
94821C627238BRISTOL INDUSTRIES, LLC
94821C652828REPUBLIC FASTENER MFG. CORP.
94821C656878SPS TECHNOLOGIES, LLC
94821C660119MONADNOCK COMPANY, THE
94821C662554ALCOA GLOBAL FASTENERS INC. DBA SIMMONDS MECAERO FAS PDTS DIV SIMMONDS MECAERO FAS PDTS
94821C673197HI-SHEAR CORPORATION
94821C680539SPS TECHNOLOGIES, LLC


Techincal Specification:
DRILLED HOLE DIAMETER0.045 INCHES MINIMUM AND 0.050 INCHES MAXIMUM
HOLE CONFIGURATION STYLECONFIGURATION B
HOLE TYPE AND QUANTITY3 DRILLED
MATERIALNICKEL ALLOY OVERALL
NOMINAL THREAD SIZE0.312 INCHES
NUT HEIGHT0.219 INCHES NOMINAL
NUT STYLEHEXAGON
PART NAME ASSIGNED BY CONTROLLING AGENCYNUT-DRILLED, JAM, COARSE THREADS
WIDTH ACROSS FLATS0.490 INCHES MINIMUM AND 0.502 INCHES MAXIMUM
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3B
THREAD QUANTITY PER INCH16
THREAD SERIESUNJC


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