5307-01-417-8967 STUD,WELDING Index 5306-01-417-8969 BOLT,SHEAR

National Stock Number:
5310-01-417-8968

Federal Supply Class:
5310

National Item Identification Number:
014178968

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:
10122310A486GNIMIKKEISTOKESKUS NCB FINLAND
74A410551-201176301THE BOEING COMPANY
G531001121852880132NAVAL INVENTORY CONTROL POINT


Techincal Specification:
MATERIALCOPPER ALLOY 172 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B196 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATORSHOULDERED AND RECESSED
HOLE DIAMETER2.994 INCHES MINIMUM AND
2.999 INCHES MAXIMUM
SHOULDER DIAMETER3.204 INCHES MINIMUM AND
3.264 INCHES MAXIMUM
OUTSIDE DIAMETER3.504 INCHES MINIMUM AND
3.506 INCHES MAXIMUM
OVERALL HEIGHT0.470 INCHES NOMINAL
SHOULDER HEIGHT0.090 INCHES NOMINAL
RECESS ANGLE88.0 DEGREES MINIMUM AND
92.0 DEGREES MAXIMUM


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