5998-00-118-7518 CIRCUIT CARD ASSEMBLY Index 3020-00-118-7523 GEAR,SPUR

National Stock Number:
5310-00-118-7522

Federal Supply Class:
5310

National Item Identification Number:
001187522

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:
9254100198PRATT & WHITNEY CANADA CORP
9254177445RTX CORPORATION
AS9254112776AIRCRAFT SUPPLIES


Techincal Specification:
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
HOLE DIAMETER3.290 INCHES MINIMUM AND 3.310 INCHES MAXIMUM
OUTSIDE DIAMETER5.110 INCHES MINIMUM AND 5.130 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.155 INCHES MINIMUM AND 0.157 INCHES MAXIMUM
MATERIALSTEEL OVERALL
RECESS DIAMETER3.570 INCHES MINIMUM AND 3.590 INCHES MAXIMUM
RECESS ANGLE30.0 DEGREES NOMINAL
SHOULDER DIAMETER3.496 INCHES MINIMUM AND 3.498 INCHES MAXIMUM
SHOULDER HEIGHT0.124 INCHES NOMINAL
STYLE DESIGNATORSHOULDERED AND RECESSED


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