5310-01-234-8180 WASHER,FLAT Index 5320-01-234-8182 RIVET,BLIND

National Stock Number:
5310-01-234-8181

Federal Supply Class:
5310

National Item Identification Number:
012348181

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:
A02C4215-1277272THE BOEING COMPANY


Techincal Specification:
HOLE DIAMETER0.830 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.080 INCHES NOMINAL
MATERIALALUMINUM ALLOY 2024 OVERALL
PROPRIETARY CHARACTERISTICSPACS
OUTSIDE DIAMETER1.200 INCHES NOMINAL
RECESS DEPTH0.170 INCHES NOMINAL
RECESS DIAMETER0.935 INCHES NOMINAL
SHOULDER DIAMETER1.095 INCHES NOMINAL
SHOULDER HEIGHT0.170 INCHES NOMINAL
STYLE DESIGNATORSHOULDERED AND RECESSED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TYPE 1 OR 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL


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