5310-00-810-1786 NUT,SELF-LOCKING,EXTENDED WASHER Index 5310-00-810-1794 WASHER,FLAT

National Stock Number:
5310-00-810-1788

Federal Supply Class:
5310

National Item Identification Number:
008101788

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:
3-95402-381205THE BOEING COMPANY
3-95402-382918THE BOEING COMPANY


Techincal Specification:
HOLE DIAMETER0.270 INCHES NOMINAL
OUTSIDE DIAMETER0.620 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.042 INCHES NOMINAL
MATERIALSTEEL COMP 301 OVERALL
RECESS ANGLE100.0 DEGREES NOMINAL
SHOULDER HEIGHT0.068 INCHES NOMINAL
SHOULDER DIAMETER0.508 INCHES NOMINAL
STYLE DESIGNATORSHOULDERED AND RECESSED


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