5310-00-530-9968 NUT,PLAIN,EXTENDED WASHER,HEXAGO Index 5310-00-530-9977 WASHER,FLAT

National Stock Number:
5310-00-530-9969

Federal Supply Class:
5310

National Item Identification Number:
005309969

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:
3-85972-181205THE BOEING COMPANY


Techincal Specification:
BEARING SURFACE TYPECHAMFERED
COUNTERSINK ANGLE90.0 DEGREES MINIMUM AND 120.0 DEGREES MAXIMUM NUT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-268 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 2024 OVERALL
NOMINAL THREAD SIZE2.500 INCHES
NUT HEIGHT0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
NUT STYLEHEXAGON
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH12
THREAD SERIESUN
WIDTH ACROSS FLATS2.690 INCHES MINIMUM AND 2.710 INCHES MAXIMUM


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