5310-01-216-6645 WASHER,FLAT Index 5925-01-216-6647 CIRCUIT BREAKER

National Stock Number:
5310-01-216-6646

Federal Supply Class:
5310

National Item Identification Number:
012166646

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:
803-2177142-6XX-1880064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
HOLE DIAMETER2.954 INCHES MINIMUM AND 2.959 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A515, GR 70 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
PROPRIETARY CHARACTERISTICSPACS
OUTSIDE DIAMETER6.285 INCHES MINIMUM AND 6.290 INCHES MAXIMUM
RECESS ANGLE90.0 DEGREES NOMINAL
RECESS DIAMETER3.207 INCHES NOMINAL
SHOULDER DIAMETER4.094 INCHES NOMINAL
SHOULDER HEIGHT0.047 INCHES MINIMUM AND 0.062 INCHES MAXIMUM
SPECIAL FEATURESRECESS DIA. ON SHOULDERED SIDE 3.082 IN.; MATERIAL THICKNESS:0.195 IN. NOM.
STYLE DESIGNATORSHOULDERED AND RECESSED BOTH SIDES


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