5310-01-280-6747 NUT,PLAIN,HEXAGON Index 5310-01-280-6749 NUT,PLAIN,HEXAGON

National Stock Number:
5310-01-280-6748

Federal Supply Class:
5310

National Item Identification Number:
012806748

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:
87755-280020NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION CODE 4.8.8.0.0.B BLDG 148-2
MIL-DTL-122281349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-S-122281349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
BEARING SURFACE TYPEWASHER FACED
MATERIAL DOCUMENT AND CLASSIFICATIONSAE J995,GRADE 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1030 OVERALL
NOMINAL THREAD SIZE0.250 INCHES
NONDEFINITIVE SPEC/STD DATA1 TYPE AND A STYLE AND 5 GRADE
NUT HEIGHT0.219 INCHES NOMINAL
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.438 INCHES NOMINAL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3B
THREAD SERIESUNC
THREAD QUANTITY PER INCH20


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