5330-00-090-4605 GASKET Index 5310-00-090-4607 WASHER,RECESSED

National Stock Number:
5310-00-090-4606

Federal Supply Class:
5310

National Item Identification Number:
000904606

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:
1391520AHP5CURTISS-WRIGHT CONTROLS, INC.
5310H34-02481996U S ARMY AVIATION AND MISSILE COMMAND


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.780 INCHES MINIMUM AND 0.781 INCHES MAXIMUM
OVERALL DIAMETER1.320 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS4625 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
SPECIAL FEATURES4 GROOVES EQUALLY SPACED IN EACH BEARING SURFACE
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENTLEAD AND TIN OVERALL
THICKNESS0.069 INCHES MINIMUM AND 0.071 INCHES MAXIMUM


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