5310-01-567-0379 NUT,PLAIN,PLATE Index 5310-01-567-0390 NUT,PLAIN,SQUARE

National Stock Number:
5310-01-567-0382

Federal Supply Class:
5310

National Item Identification Number:
015670382

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:
30183R1338X5ND DEFENSE LLC
ESP-FM-16.101-GS338X5ND DEFENSE LLC
ESP-FM-16.121-PP338X5ND DEFENSE LLC


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER8.8 MILLIMETERS NOMINAL
OVERALL DIAMETER21.0 MILLIMETERS NOMINAL
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER,8-8.8 X 21 X 2.5
PERIPHERAL SHAPE STYLEROUND
THICKNESS2.5 MILLIMETERS NOMINAL


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