5310-01-277-8065 WASHER,FLAT Index 5331-01-277-8067 O-RING

National Stock Number:
5310-01-277-8066

Federal Supply Class:
5310

National Item Identification Number:
012778066

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:
0N389374-198230NATIONAL SECURITY AGENCY


Techincal Specification:
HOLE DIAMETER0.150 INCHES NOMINAL
OUTSIDE DIAMETER0.290 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,TYPE 304,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.030 INCHES NOMINAL
MATERIALSTEEL CORROSION RESISTING OVERALL
SHOULDER DIAMETER0.183 INCHES NOMINAL
STYLE DESIGNATORSHOULDERED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL


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