5310-01-285-0221, WASHER,LOCK

National Stock Number:
5310-01-285-0221

Federal Supply Class:
5310

National Item Identification Number:
012850221

Description:
WASHER,LOCK

Detail:
A washer which is usually round with a centrally located hole. Its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. It may be made of one or two pieces

Manufacturer Information:

M24235/1-035	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-S-24235/1	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

DEPARTURE FROM CITED DOCUMENT	AS MODIFIED BY MATERIAL
HARDNESS RATING	33.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
HEAT TREATMENT	AGE HARDENING
HOLE DIAMETER	2.187 INCHES NOMINAL
OUTSIDE DIAMETER	2.850 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-286,CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS	0.250 INCHES NOMINAL
MATERIAL	NICKEL ALLOY K-500 OVERALL
MINIMUM TENSILE STRENGTH	155000 POUNDS PER SQUARE INCH
SPECIFICATION/STANDARD DATA	81349-MIL-S-24235/1 GOVERNMENT SPECIFICATION
STYLE DESIGNATOR	SPLIT HELICAL-RIGHT HAND

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