5310-01-306-7880 WASHER,FLAT Index 5331-01-306-7882 O-RING

National Stock Number:
5310-01-306-7881

Federal Supply Class:
5310

National Item Identification Number:
013067881

Description:
WASHER,SHOULDERED AND RECESSED

Detail:
A washer, round in shape, having a centrally located hole. One bearing surface is flat, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. Either or both of the bearing surfaces must be broken by a counterbore, countersink, or similar shaped recess. 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:
P21-236-211214HARDIGG INDUSTRIES, LLC


Techincal Specification:
HOLE DIAMETER0.192 INCHES MINIMUM AND 0.196 INCHES MAXIMUM
OUTSIDE DIAMETER0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM
MATERIAL THICKNESS0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM
MATERIALSTEEL COMP 1020 OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
SHOULDER HEIGHT0.060 INCHES NOMINAL
SHOULDER DIAMETER0.330 INCHES NOMINAL
STYLE DESIGNATORSHOULDERED AND RECESSED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-Z-325,CL 2,TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTZINC OVERALL


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