5325-00-659-4657 RING,RETAINING Index 5310-00-659-4660 WASHER,SHOULDERED

National Stock Number:
5310-00-659-4658

Federal Supply Class:
5310

National Item Identification Number:
006594658

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:
207A416P103538LOCKHEED MARTIN CORPORATION
207A416P124446GENERAL ELECTRIC COMPANY


Techincal Specification:
BEARING SURFACE FINISH125.0 MICROINCHES
BEARING SURFACE TYPECHAMFERED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,TYPE A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 416 OVERALL
NOMINAL THREAD SIZE0.250 INCHES
NUT STYLEHEXAGON
NUT HEIGHT1.094 INCHES NOMINAL
WIDTH ACROSS FLATS1.875 INCHES NOMINAL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH7
THREAD SERIESUNC


Click here to Register for Free 30-day Trial