5310-99-607-6401, WASHER,KEY

National Stock Number:
5310-99-607-6401

Federal Supply Class:
5310

National Item Identification Number:
996076401

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:

B490211	K0378	ROLLS-ROYCE PLC
B490211 ZZ	K0378	ROLLS-ROYCE PLC

Techincal Specification:

DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY	0.460 INCHES MINIMUM AND 0.470 INCHES MAXIMUM
ANGLE BETWEEN EXTERNAL KEY CENTERLINES	60.0 DEGREES NOMINAL
ANGLE BETWEEN EXTERNAL KEYS	60.0 DEGREES NOMINAL
EXTERNAL PREBENT KEY ANGLE	15.0 DEGREES NOMINAL
EXTERNAL PREBENT KEY LENGTH	0.230 INCHES MINIMUM AND 0.240 INCHES MAXIMUM
EXTERNAL PREBENT KEY WIDTH	0.160 INCHES MINIMUM AND 0.170 INCHES MAXIMUM
EXTERNAL TAPERED KEY WIDTH	0.310 INCHES MINIMUM AND 0.330 INCHES MAXIMUM
HOLE DIAMETER	0.390 INCHES MINIMUM AND 0.395 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	ROLLS ROYCE (1971) LTD BSEM 511 MFR REF SINGLE MATERIAL RESPONSE
MATERIAL THICKNESS	0.045 INCHES MINIMUM AND 0.051 INCHES MAXIMUM
III MATERIAL	STEEL
OUTSIDE DIAMETER	0.570 INCHES MINIMUM AND 0.580 INCHES MAXIMUM
STYLE DESIGNATOR	90 DEGREE LOCKING KEY

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