4810-01-477-5009 VALVE ASSEMBLY Index 2815-01-477-5011 ENGINE BLOCK,DIESEL

National Stock Number:
5310-01-477-5010

Federal Supply Class:
5310

National Item Identification Number:
014775010

Description:
WASHER,RECESSED

Detail:
A WASHER OF ANY PERIPHERAL SHAPE HAVING A CENTRALLY LOCATED HOLE. BOTH BEARING SURFACES ARE PARALLEL AND FLAT, BUT ONE OR BOTH OF THE BEARING SURFACES MUST BE BROKEN BY A COUNTERBORE, COUNTERSINK, OR SIMILARLY SHAPED RECESS. THE THICKNESS MUST NOT EXCEED 25 PER CENT OF THE OUTSIDE DIAMETER OR THE LARGEST OUTSIDE DIMENSION. THE MAXIMUM LIMIT OF THE TOLERANCE OR RANGE APPLIED TO THE THICKNESS AND/OR LARGEST OUTSIDE DIMENSION MUST BE USED TO DETERMINE COMPLIANCE. EXCLUDES WASHER, CONCAVE, RETAINER, PACKING, AND THRUST TYPE WASHERS. SEE ALSO SPACER, SLEEVE; AND SPACER, STEPPED.


Manufacturer Information:
MS21299C9K80205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
MS21299C9K96906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
HARDNESS RATING35.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM
HOLE DIAMETER0.564 INCHES MINIMUM AND 0.568 INCHES MAXIMUM
OUTSIDE DIAMETER1.059 INCHES MINIMUM AND 1.069 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5604,17-4PH,COND H 1025 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.071 INCHES MINIMUM AND 0.085 INCHES MAXIMUM
MATERIALSTEEL COMP 630 OVERALL
RECESS ANGLE90.0 DEGREES NOMINAL
RECESS DIAMETER0.684 INCHES MINIMUM AND 0.694 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA80205-NAS-21299 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
STYLE DESIGNATORRECESSED
SURFACE FINISH125.0 MICROINCHES ALL SURFACES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL


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