3120-00-037-4859 BEARING,SLEEVE Index 4320-00-037-4865 PUMP,ROTARY

National Stock Number:
5310-00-037-4861

Federal Supply Class:
5310

National Item Identification Number:
000374861

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:
02-7645934ONTIC ENGINEERING & MANUFACTURING, INC
02-7656705DONALLCO INC


Techincal Specification:
MATERIALALUMINUM ALLOY OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.344 INCHES NOMINAL
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER1.335 INCHES MINIMUM AND
1.338 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.120 INCHES MINIMUM AND
0.125 INCHES MAXIMUM
THE MANUFACTURERS DATA
MANUFACTURERS CODE45934
DESIGN CONTROL REFERENCE02-76


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