5310-01-130-2542 NUT,SELF-LOCKING,EXTENDED WASHER Index 5975-01-130-2544 CONDUIT,METAL,RIGID

National Stock Number:
5310-01-130-2543

Federal Supply Class:
5310

National Item Identification Number:
011302543

Description:
WASHER,SHOULDERED

Detail:
A WASHER, ROUND IN SHAPE, AND HAVING A CENTRALLY LOCATED HOLE. ONE BEARING SURFACE IS FLAT AND UNBROKEN, THE OTHER SURFACE IS IN THE FORM OF A RAISED SHOULDER (BOSS) HAVING A FLAT BEARING SURFACE. THE THICKNESS OF THE SHOULDER (BOSS) MUST NOT EXCEED 25 PERCENT OF THE SHOULDER (BOSS) DIAMETER. FOR ITEMS HAVING A SHOULDER (BOSS) OF GREATER THICKNESS, USE BEARING, SLEEVE; BUSHING SLEEVE; OR SPACER, SLEEVE. EXCLUDES INSULATOR, WASHER AND THRUST TYPE WASHERS.


Manufacturer Information:
65311-01001-10478286SIKORSKY AIRCRAFT CORPORATION


Techincal Specification:
HOLE DIAMETER1.250 INCHES MINIMUM AND 1.260 INCHES MAXIMUM
OUTSIDE DIAMETER1.625 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-22516,T351 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 2024 OVERALL
MATERIAL THICKNESS0.060 INCHES NOMINAL
SHOULDER DIAMETER1.320 INCHES NOMINAL
SHOULDER HEIGHT0.240 INCHES NOMINAL
STYLE DESIGNATORSHOULDERED
SURFACE FINISH125.0 MICROINCHES ALL SURFACES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL


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