5310-01-204-3344 WASHER,FLAT Index 5310-01-204-3346 WASHER,FLAT

National Stock Number:
5310-01-204-3345

Federal Supply Class:
5310

National Item Identification Number:
012043345

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:
10110151A486GNIMIKKEISTOKESKUS NCB FINLAND
4M116-0400303033PLASTIFAB INCORPORATED
4M116-0400310630ANILLO INDUSTRIES INC
4M116-0400318986JETRON INC
4M116-0400321215AERO-PLASTICS, INC.
4M116-040033E613K & L PRECISION PLASTICS INC
4M116-0400358009MOELLER MANUFACTURING & SUPPLY, LLC
4M116-0400358870PLASTIFAB, INC.
4M116-040035N319INDIANA AIRCRAFT HARDWARE, INC.
4M116-0400376301THE BOEING COMPANY


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.380 INCHES MINIMUM AND 0.400 INCHES MAXIMUM
OVERALL DIAMETER0.615 INCHES MINIMUM AND 0.645 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONOAK -651/3-31,FSCM 07512 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALPLASTIC TETRAFLUOROETHYLENE OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.031 INCHES NOMINAL


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