3120-01-333-3793 BEARING,WASHER,THRUST Index 5310-01-333-3795 WASHER,FLAT

National Stock Number:
5310-01-333-3794

Federal Supply Class:
5310

National Item Identification Number:
013333794

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:
03A158-121W025NORTHROP GRUMMAN SYSTEMS CORP
03A158-1276823NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.3755 INCHES MINIMUM AND 0.3785 INCHES MAXIMUM
OVERALL DIAMETER0.618 INCHES MINIMUM AND 0.622 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 4911 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALTITANIUM ALLOY UNS R56400 OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
PERIPHERAL SHAPE STYLEROUND
SURFACE FINISH63.0 MICROINCHES ALL SURFACES
THICKNESS0.0135 INCHES MINIMUM AND 0.0185 INCHES MAXIMUM


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