5310-00-458-1627, WASHER,KEY

6640-00-458-1628 FURNACE,MUFFLE,LABORATORY

National Stock Number:
5310-00-458-1627

Federal Supply Class:
5310

National Item Identification Number:
004581627

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:

65370-04128-101

78286

SIKORSKY AIRCRAFT CORPORATION

Techincal Specification:

EXTERNAL KEY QUANTITY	4
EXTERNAL STRAIGHT KEY WIDTH	0.190 INCHES MINIMUM AND 0.195 INCHES MAXIMUM
HARDNESS RATING	34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
HOLE DIAMETER	1.200 INCHES NOMINAL
OUTSIDE DIAMETER	1.470 INCHES NOMINAL
OVERALL DISTANCE INCLUDING KEYS	1.900 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS	0.090 INCHES MINIMUM AND 0.095 INCHES MAXIMUM
MATERIAL	STEEL OVERALL
MINIMUM TENSILE STRENGTH	150000 POUNDS PER SQUARE INCH
STYLE DESIGNATOR	KEY
SURFACE FINISH	90.0 MICROINCHES ALL SURFACES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-1324,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	OXIDE FILM OVERALL

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