5310-00-899-2181, WASHER,KEY

5310-00-899-2177 NUT,PLAIN,SLOTTED,HEXAGON

National Stock Number:
5310-00-899-2181

Federal Supply Class:
5310

National Item Identification Number:
008992181

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:

317746	30201	TREGO INC
317746	77445	RTX CORPORATION
317746	81924	ATOMIC ENERGY COMMISSION OAK RIDGE OPNS OFFICE
MS9276-13	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

MATERIAL	STEEL COMP 321 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATOR	KEY
EXTERNAL KEY QUANTITY	3
HOLE DIAMETER	0.450 INCHES MINIMUM AND
	0.455 INCHES MAXIMUM
OUTSIDE DIAMETER	0.685 INCHES MINIMUM AND
	0.695 INCHES MAXIMUM
EXTERNAL PREBENT KEY LENGTH	0.150 INCHES MINIMUM AND
	0.160 INCHES MAXIMUM
EXTERNAL TAPERED KEY WIDTH	0.390 INCHES MINIMUM AND
	0.400 INCHES MAXIMUM
EXTERNAL PREBENT KEY WIDTH	0.170 INCHES MINIMUM AND
	0.175 INCHES MAXIMUM
DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY	0.415 INCHES MINIMUM AND
	0.425 INCHES MAXIMUM
OVERALL DISTANCE INCLUDING KEYS	0.977 INCHES MINIMUM AND
	1.000 INCHES MAXIMUM
SPLIT KEY LENGTH	0.180 INCHES NOMINAL
MATERIAL THICKNESS	0.032 INCHES MINIMUM AND
	0.040 INCHES MAXIMUM
ANGLE BETWEEN EXTERNAL KEYS	58.0 DEGREES MINIMUM AND
	62.0 DEGREES MAXIMUM
SPECIAL FEATURES	BOTH ANGULAR KEYS BENT 15 DEG IN OPPOSITE DIRECTION OF PREBENT KEY
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	MS9276-13

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