5310-00-625-3893 WASHER,KEY Index 4810-00-625-3900 DIAPHRAGM,ACTUATOR VALVE,SPECIAL

National Stock Number:
5310-00-625-3894

Federal Supply Class:
5310

National Item Identification Number:
006253894

Description:
WASHER,KEY

Detail:
A washer of nonresilient material usually having two parallel bearing surfaces. The outside and/or inside edges have one or more protuberances. The ends and/or edges may be prebent at any angle or the protuberances may be prebent at any angle to the bearing surfaces. The keys or lugs may be fitted into keyways in adjacent material or they may be bent over after application to hold or lock one or more items in place. Excludes thrust type washer.


Manufacturer Information:
BACW10BW5181205THE BOEING COMPANY


Techincal Specification:
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY4.766 INCHES MINIMUM AND 4.786 INCHES MAXIMUM
EXTERNAL KEY QUANTITY4
EXTERNAL STRAIGHT KEY WIDTH0.270 INCHES MINIMUM AND 0.290 INCHES MAXIMUM
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM
HOLE DIAMETER9.843 INCHES MINIMUM AND 9.863 INCHES MAXIMUM
INTERNAL STRAIGHT KEY WIDTH0.480 INCHES MINIMUM AND 0.490 INCHES MAXIMUM
INTERNAL KEY QUANTITY2
OUTSIDE DIAMETER10.450 INCHES MINIMUM AND 10.470 INCHES MAXIMUM
OVERALL DISTANCE INCLUDING KEYS10.760 INCHES MINIMUM AND 10.780 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-N-18729 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.046 INCHES MINIMUM AND 0.054 INCHES MAXIMUM
MATERIALSTEEL COMP 4130 OVERALL
SPECIAL FEATURESINTERNAL KEYS 180 DEG APART OFFSET 7 DEG 38 MIN 30 SEC FROM CENTER LINE OF EXTERNAL KEYS
STYLE DESIGNATORKEY
SURFACE FINISH63.0 MICROINCHES TOP
SURFACE FINISH63.0 MICROINCHES BOTTOM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-P-16232,TYPE 3,CLASS 4A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPHOSPHATE OVERALL


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