5310-01-191-2520 WASHER,SHOULDERED AND RECESSED Index 5331-01-191-2522 O-RING

National Stock Number:
5310-01-191-2521

Federal Supply Class:
5310

National Item Identification Number:
011912521

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:
242557-309205LOCKHEED MARTIN CORP ELECTRONICS AND MISSILES DIV


Techincal Specification:
HOLE DIAMETER0.507 INCHES MINIMUM AND 0.509 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643,COND H1050 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.044 INCHES MINIMUM AND 0.046 INCHES MAXIMUM
MATERIALSTEEL COMP 630 OVERALL
III PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
PROPRIETARY CHARACTERISTICSPACS
OUTSIDE DIAMETER0.960 INCHES NOMINAL
RECESS ANGLE90.0 DEGREES NOMINAL
RECESS DIAMETER0.567 INCHES MINIMUM AND 0.569 INCHES MAXIMUM
SHOULDER DIAMETER0.7510 INCHES MINIMUM AND 0.7515 INCHES MAXIMUM
SHOULDER HEIGHT0.165 INCHES MINIMUM AND 0.175 INCHES MAXIMUM
SPECIAL FEATURESRECESSED DEPTH BOTH SIDES 0.030 IN.,CHAMFERED BOSS EDGE 15 DEG
STYLE DESIGNATORSHOULDERED AND RECESSED BOTH SIDES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35,TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL


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