1280-00-858-0836 COUPLING,PROGRAMMER Index 1290-00-858-0839 BOARD ASSEMBLY,INDI

National Stock Number:
5310-00-858-0838

Federal Supply Class:
5310

National Item Identification Number:
008580838

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:
902624-117772AERO ENGINEERING & MANUFACTURING COMPANY OF CALIFORNIA, LLC
902624-198897LOCKHEED MARTIN CORP


Techincal Specification:
MATERIALCOPPER ALLOY 606 OR
COPPER ALLOY 614 OR
COPPER ALLOY 630 OR
COPPER ALLOY 642 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-465 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATORSHOULDERED AND RECESSED BOTH SIDES
HOLE DIAMETER0.890 INCHES MINIMUM AND
0.920 INCHES MAXIMUM
SHOULDER DIAMETER1.110 INCHES MINIMUM AND
1.140 INCHES MAXIMUM
OUTSIDE DIAMETER1.610 INCHES MINIMUM AND
1.640 INCHES MAXIMUM
RECESS DIAMETER0.930 INCHES MINIMUM AND
0.960 INCHES MAXIMUM
SHOULDER HEIGHT0.160 INCHES NOMINAL
MATERIAL THICKNESS0.110 INCHES MINIMUM AND
0.140 INCHES MAXIMUM
RECESS ANGLE45.0 DEGREES NOMINAL
SPECIAL FEATURESSERRATIONS ON INSIDE DIAMETER


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