5310-01-219-7218, WASHER,LOCK

National Stock Number:
5310-01-219-7218

Federal Supply Class:
5310

National Item Identification Number:
012197218

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:

FF-W-100	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
MS35333-145	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

HARDNESS RATING	85.0 ROCKWELL B MINIMUM AND 95.0 ROCKWELL B MAXIMUM
HOLE DIAMETER	0.256 INCHES MINIMUM AND 0.267 INCHES MAXIMUM
OUTSIDE DIAMETER	0.395 INCHES MINIMUM AND 0.410 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-B-750 FED SPEC 1ST MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS	0.016 INCHES MINIMUM AND 0.020 INCHES MAXIMUM
MATERIAL	COPPER ALLOY 510 OR COPPER ALLOY 425 OVERALL
NONDEFINITIVE SPEC/STD DATA	1 TYPE AND A GRADE AND 3 COMPOSITION OR 4 COMPOSITION
SPECIAL FEATURES	HARDNESS RATING ROCKWELL B SCALE ALUM ALLOY 425,89 MIN 94 MAX
STYLE DESIGNATOR	FLAT INTERNAL TEETH

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