5325-01-212-6139 RING,RETAINING Index 5310-01-212-6141 WASHER,FLAT

National Stock Number:
5310-01-212-6140

Federal Supply Class:
5310

National Item Identification Number:
012126140

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:
MS27111-1396906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY0.606 INCHES MINIMUM AND 0.616 INCHES MAXIMUM
EXTERNAL KEY QUANTITY7
EXTERNAL STRAIGHT KEY WIDTH0.506 INCHES MINIMUM AND 0.526 INCHES MAXIMUM
HOLE DIAMETER1.217 INCHES MINIMUM AND 1.227 INCHES MAXIMUM
INTERNAL KEY QUANTITY1
INTERNAL STRAIGHT KEY WIDTH0.300 INCHES MINIMUM AND 0.310 INCHES MAXIMUM
MATERIAL THICKNESS0.055 INCHES MINIMUM AND 0.065 INCHES MAXIMUM
OUTSIDE DIAMETER1.870 INCHES MINIMUM AND 1.890 INCHES MAXIMUM
OVERALL DISTANCE INCLUDING KEYS1.932 INCHES MINIMUM AND 1.952 INCHES MAXIMUM
STYLE DESIGNATORKEY


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