5305-01-253-7126 SCREW ASSEMBLY,PANEL Index 5310-01-253-7128 NUT,PLAIN,HEXAGON

National Stock Number:
5310-01-253-7127

Federal Supply Class:
5310

National Item Identification Number:
012537127

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:
LD114-0004-010643999THE BOEING COMPANY


Techincal Specification:
BEARING SURFACE TYPEWASHER FACED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,CLASS 321,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 321 OVERALL
NOMINAL THREAD SIZE0.500 INCHES
NUT HEIGHT0.562 INCHES NOMINAL
NUT STYLECASTELLATED, HEXAGON
WIDTH ACROSS FLATS0.740 INCHES MINIMUM AND 0.752 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH20
THREAD SERIESUNF


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