5310-00-639-7423 WASHER,FINISHING Index 5310-00-639-7435 WASHER,SPLIT

National Stock Number:
5310-00-639-7426

Federal Supply Class:
5310

National Item Identification Number:
006397426

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:
SS5070-17229678286SIKORSKY AIRCRAFT CORPORATION


Techincal Specification:
EXTERNAL KEY QUANTITY17
EXTERNAL PREBENT KEY WIDTH0.204 INCHES MINIMUM AND 0.234 INCHES MAXIMUM
HEAT TREATMENTANNEALED
HOLE DIAMETER2.087 INCHES MINIMUM AND 2.112 INCHES MAXIMUM
INTERNAL PREBENT KEY WIDTH0.219 INCHES MINIMUM AND 0.239 INCHES MAXIMUM
INTERNAL PREBENT KEY LENGTH0.125 INCHES MINIMUM AND 0.156 INCHES MAXIMUM
OUTSIDE DIAMETER2.594 INCHES MINIMUM AND 2.614 INCHES MAXIMUM
OVERALL DISTANCE INCLUDING KEYS3.017 INCHES MINIMUM AND 3.047 INCHES MAXIMUM
MATERIAL THICKNESS0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM
MATERIALSTEEL OVERALL
STYLE DESIGNATORKEY
SURFACE TREATMENTPASSIVATE OVERALL


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