5310-01-094-2893 WASHER,FLAT Index 5310-01-094-2895 WASHER,SPRING TENSION

National Stock Number:
5310-01-094-2894

Federal Supply Class:
5310

National Item Identification Number:
010942894

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:
135B5661-305606GENERAL DYNAMICS-OTS, INC.
135B5661-31GUP7VERMONT AEROSPACE INDUSTRIES, LLC
135B5661-32W245BI-TEC INDUSTRIES INC


Techincal Specification:
MATERIALSTEEL COMP 4130 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPHOSPHATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONDOD-P-16232,TY M,CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OR
DOD-P-16232,TY Z,CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND
35.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORRECESSED
HOLE DIAMETER0.196 INCHES MINIMUM AND
0.209 INCHES MAXIMUM
OUTSIDE DIAMETER0.790 INCHES MINIMUM AND
0.810 INCHES MAXIMUM
RECESS DIAMETER0.392 INCHES MINIMUM AND
0.402 INCHES MAXIMUM
MATERIAL THICKNESS0.090 INCHES NOMINAL
RECESS ANGLE99.0 DEGREES MINIMUM AND
101.0 DEGREES MAXIMUM
HEAT TREATMENTQUENCHED AND
TEMPERED


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