5310-01-445-0422 WASHER,LOCK Index 5310-01-445-0424 WASHER,FLAT

National Stock Number:
5310-01-445-0423

Federal Supply Class:
5310

National Item Identification Number:
014450423

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:
125PLM615526METRIC AND MULTISTANDARD COMPONENTS CORP
DIN 125A-PL 615526METRIC AND MULTISTANDARD COMPONENTS CORP


Techincal Specification:
MATERIALPLASTIC POLYAMIDE OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER6.4 MILLIMETERS NOMINAL
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER12.5 MILLIMETERS NOMINAL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS1.6 MILLIMETERS NOMINAL
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT


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