5305-01-270-1247 SCREW,CLOSE TOLERANCE Index 5310-01-270-1249 NUT,PLAIN,HEXAGON

National Stock Number:
5310-01-270-1248

Federal Supply Class:
5310

National Item Identification Number:
012701248

Description:
NUT,PLAIN,CASTELLATED,HEXAGON

Detail:
A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes NUT (1), PLAIN, SLOTTED, HEXAGON.


Manufacturer Information:
182-10913002GOODRICH CORPORATION
BACN10JD915653HOWMET GLOBAL FASTENING SYSTEMS INC
BACN10JD956878SPS TECHNOLOGIES, LLC
BACN10JD981205THE BOEING COMPANY
BACN10JD992595NELSON STUD WELDING, INC


Techincal Specification:
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR AMS 6322 ASSN STD 1ST MATERIAL RESPONSE OVERALL OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 8740 OVERALL OR STEEL COMP E4340 OVERALL
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD SIZE0.5625 INCHES
NUT HEIGHT0.594 INCHES MINIMUM AND 0.626 INCHES MAXIMUM
NUT STYLECASTELLATED, HEXAGON
WIDTH ACROSS FLATS0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH18
THREAD SERIESUNF


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