4820-01-378-8720 VALVE,GLOBE Index 4720-01-378-8722 HOSE ASSEMBLY,NONMETALLIC

National Stock Number:
5310-01-378-8721

Federal Supply Class:
5310

National Item Identification Number:
013788721

Description:
NUT,SELF-LOCKING,HEXAGON

Detail:
A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes NUT (1), SELF-LOCKING, CAP.


Manufacturer Information:
12387349-3501417GENERAL DYNAMICS LAND SYSTEMS INC.
12387349-3519207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
MATERIALPLASTIC NYLON LOCKING INSERT
STEEL OVERALL EXCEPT INSERT
NUT STYLEHEXAGON
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
BEARING SURFACE TYPECHAMFERED OR
WASHER FACED
THREAD SERIESUNC
NOMINAL THREAD SIZE0.375 INCHES
THREAD QUANTITY PER INCH16
THREAD CLASS3B
SURFACE TREATMENTZINC AND
CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM B633, TYPE 2, CLASS 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
NUT HEIGHT0.320 INCHES MINIMUM AND
0.469 INCHES MAXIMUM
WIDTH ACROSS FLATS0.551 INCHES MINIMUM AND
0.564 INCHES MAXIMUM
TEMP RATING250.0 DEG FAHRENHEIT NOMINAL
SPECIAL FEATURESFINISHING BRONZE OR OLIVE DRAB


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