5305-00-472-6858 SCREW,CAP,SOCKET HEAD Index 3120-00-472-6864 BEARING,SLEEVE

National Stock Number:
5310-00-472-6863

Federal Supply Class:
5310

National Item Identification Number:
004726863

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:
8B730614-389446HILLER AIRCRAFT CORPORATION


Techincal Specification:
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER1.250 INCHES NOMINAL
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER1.500 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.034 INCHES NOMINAL
THE MANUFACTURERS DATA
MANUFACTURERS CODE89446
DESIGN CONTROL REFERENCE8B730614-3


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