6620-00-860-1626 INDICATOR,ELECTRICAL TACHOMETER Index 1680-00-860-1628 ABSORBER,NOISE

National Stock Number:
5310-00-860-1627

Federal Supply Class:
5310

National Item Identification Number:
008601627

Description:
WASHER,FLAT

Detail:
A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use SHIM. For items fabricated from ceramic or electrically rated materials by specification or industry standards use INSULATOR (1), WASHER. Excludes DISK, VALVE, graphite impregnated and lubricated items.


Manufacturer Information:
61639903730GOULD E A AND CO
6163991J4P3PARADIGM MANCHESTER INC.
6163991RRL5NIELSEN HARDWARE CORPORATION
61639934830ROGERSON KRATOS
61639959420DYNAMIC GUNVER TECHNOLOGIES LLC
61639977445RTX CORPORATION
61639998003NIELSEN HARDWARE CORP


Techincal Specification:
MATERIALSTEEL COMP 410 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5504 OR 5613 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.271 INCHES MINIMUM AND
0.286 INCHES MAXIMUM
PERIPHERAL SHAPE STYLEDEE
OVERALL DIAMETER0.500 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.070 INCHES MINIMUM AND
0.080 INCHES MAXIMUM
HARDNESS RATING35.0 ROCKWELL C MINIMUM AND
40.0 ROCKWELL C MAXIMUM
SURFACE FINISH63.0 MICROINCHES TOP
63.0 MICROINCHES BOTTOM
SPECIAL FEATURES0.015 MIN TO 0.025 MAX IN. BY 43.0 DEG MIN TO 47.0 DEG MAX DEG CHAMFERED ON BOTH SIDES
THE MANUFACTURERS DATA
MANUFACTURERS CODE98003
DESIGN CONTROL REFERENCE616399


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