5320-01-421-2019 RIVET,BLIND Index 5310-01-421-2021 WASHER,LOCK

National Stock Number:
5310-01-421-2020

Federal Supply Class:
5310

National Item Identification Number:
014212020

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:
15668-0.095-0.345-SS-151506ACCURATE SCREW MACHINE CORP
A321000380063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR


Techincal Specification:
HOLE DIAMETER0.510 INCHES MINIMUM AND 0.520 INCHES MAXIMUM
OUTSIDE DIAMETER0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM
OVERALL HEIGHT0.435 INCHES MINIMUM AND 0.445 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A581 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303 OVERALL
SHOULDER DIAMETER0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
SHOULDER HEIGHT0.340 INCHES MINIMUM AND 0.350 INCHES MAXIMUM
STYLE DESIGNATORSHOULDERED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL


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