5310-99-198-6013 WASHER,FLAT Index 5315-99-198-6304 PIN,SPRING

National Stock Number:
5310-99-198-6084

Federal Supply Class:
5310

National Item Identification Number:
991986084

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:
SUM3934K5294GE AVIATION SYSTEMS LIMITED


Techincal Specification:
BEARING SURFACE TYPECHAMFERED
COUNTERBORE DIAMETER0.250 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONBS970 GRADE 220-07 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.190 INCHES
NUT COUNTERBORE DEPTH0.195 INCHES MINIMUM AND 0.205 INCHES MAXIMUM
NUT HEIGHT0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.339 INCHES MINIMUM AND 0.344 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION0731-511 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCHROMATE OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH32
THREAD SERIESUNF


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