3120-01-477-4462 BEARING,WASHER,THRUST Index 2530-01-477-4464 BRAKE SHOE

National Stock Number:
5310-01-477-4463

Federal Supply Class:
5310

National Item Identification Number:
014774463

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:
8100-1256-026270876BATH IRON WORKS CORPORATION
8100-1256-0262 PC 4370876BATH IRON WORKS CORPORATION


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER1.016 INCHES NOMINAL
MATERIALSTEEL COMP 316 OVERALL
PERIPHERAL SHAPE STYLEROUND
PROPRIETARY CHARACTERISTICSPACS
OVERALL DIAMETER2.438 INCHES NOMINAL
SPECIAL FEATURESINSIDE HOLE CHAMFERED ON BOTH SIDES 0.031 IN. X 45 DEGREES
SURFACE FINISH125.0 MICROINCHES ALL SURFACES
THICKNESS0.250 INCHES NOMINAL


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