Product Details | FLAT WASHER

5310-00-264-4023 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.

Part Alternates: 322312, Z657, 5310-00-264-4023, 00-264-4023, 5310002644023, 002644023

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-264-4023

Drawings & Photos | NSN 5310-00-264-4023


Cross Reference | NSN 5310-00-264-4023

Part Number Cage Code Manufacturer
322312 31568 TEXTRON INC JACOBSEN DIV
Z657 31568 TEXTRON INC JACOBSEN DIV
Z657 79439 JACOBSEN MFG CO WORTHINGTON MOWER DIVISION

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Technical Data | NSN 5310-00-264-4023

Characteristic Specifications
MATERIAL STEEL COMP 1020 OVERALL
HOLE DIAMETER 0.375 INCHES MINIMUM AND 0.406 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE 4 DEE
WIDTH 0.984 INCHES MINIMUM AND 1.016 INCHES MAXIMUM
OVERALL DIAMETER 1.234 INCHES MINIMUM AND 1.266 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE 1 ROUND
CROSS-SECTIONAL SHAPE STYLE 1 RECTANGULAR
THICKNESS 0.031 INCHES NOMINAL

Restrictions/Controls & Freight Information | NSN 5310-00-264-4023

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information