5310-01-111-9450 WASHER,LOCK Index 5925-01-111-9456 CIRCUIT BREAKER

National Stock Number:
5310-01-111-9451

Federal Supply Class:
5310

National Item Identification Number:
011119451

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:
542836153711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
HOLE DIAMETER0.998 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
OUTSIDE DIAMETER1.560 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/6 TEMPER H321 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-250/7 TEMPER H32 FED SPEC 2ND MATERIAL RESPONSE OR QQ-A-200/5 TEMPER H111 FED SPEC 2ND MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.190 INCHES NOMINAL
MATERIALALUMINUM ALLOY 5083 OR ALUMINUM ALLOY 5086 OVERALL
RECESS ANGLE40.0 DEGREES NOMINAL
RECESS DIAMETER1.051 INCHES NOMINAL
SHOULDER DIAMETER1.376 INCHES MINIMUM AND 1.378 INCHES MAXIMUM
SHOULDER HEIGHT0.060 INCHES NOMINAL
STYLE DESIGNATORSHOULDERED AND RECESSED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL


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