5305-00-800-3871 SCREW,MACHINE Index 5310-00-800-3876 WASHER,FLAT

National Stock Number:
5310-00-800-3875

Federal Supply Class:
5310

National Item Identification Number:
008003875

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:
119209-237695RAYTHEON COMPANY


Techincal Specification:
HOLE DIAMETER0.086 INCHES MINIMUM AND 0.087 INCHES MAXIMUM
OUTSIDE DIAMETER0.185 INCHES MINIMUM AND 0.187 INCHES MAXIMUM
MATERIAL THICKNESS0.008 INCHES MINIMUM AND 0.012 INCHES MAXIMUM
MATERIALSTEEL CORROSION RESISTING OVERALL
RECESS ANGLE90.0 DEGREES NOMINAL
SHOULDER HEIGHT0.021 INCHES NOMINAL
SHOULDER DIAMETER0.132 INCHES MINIMUM AND 0.136 INCHES MAXIMUM
STYLE DESIGNATORSHOULDERED AND RECESSED
SURFACE TREATMENTPASSIVATE OVERALL


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