5310-01-184-3786, WASHER,KEY

National Stock Number:
5310-01-184-3786

Federal Supply Class:
5310

National Item Identification Number:
011843786

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:

4M248-1	10630	ANILLO INDUSTRIES LLC
4M248-1	12829	PIONEER MACHINE PRODUCTS INC.
4M248-1	34336	TECT HYPERVELOCITY, INC.
4M248-1	70265	ALL POWER MANUFACTURING CO.
4M248-1	76301	THE BOEING COMPANY
M4248-1	98465	LMI AEROSPACE INC

Techincal Specification:

HOLE DIAMETER	0.785 INCHES MINIMUM AND 0.800 INCHES MAXIMUM
OUTSIDE DIAMETER	1.200 INCHES NOMINAL
OVERALL DISTANCE INCLUDING KEYS	1.470 INCHES MINIMUM AND 1.570 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-250/4,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS	0.063 INCHES NOMINAL
MATERIAL	ALUMINUM ALLOY 2024 OVERALL
SPECIAL FEATURES	DISTANCE FROM WIRE HOLE CENTER TO END OF TAPERED KEY 0.060 IN.; DISTANCE FROM WIRE HOLE CENTER TO TOP OF TAPERED PREBENT KEY 0.120 IN.; TAPERED KEY PREBENT 30 DEG MIN,40 DEG MAX; HOLE WIDTH ACROSS FLATS 0.655 IN. MIN,0.670 IN. MAX; DISTANCE FROM CENTERLINE TO FLATTED BOTTOM OF WASHER 0.485 IN. MIN,0.515 IN. MAX; DISTANCE FROM BOTTOM OF WASHER TO INSIDE OF PREBENT KEY 1.160 IN.
WIRE HOLE DIAMETER	0.070 INCHES MINIMUM AND 0.075 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-5541,TY 2,CL 1A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CHROMATE OVERALL
TAPERED KEY MINOR WIDTH	0.120 INCHES NOMINAL

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