5325-01-281-4781 RING,RETAINING Index 5315-01-281-4783 PIN,SHOULDER,HEADLESS

National Stock Number:
5310-01-281-4782

Federal Supply Class:
5310

National Item Identification Number:
012814782

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:
1328838918876U S ARMY AVIATION AND MISSILE COMMAND


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE LEFT CORNER CHAMFER ANGLE0.500 DEGREES NOMINAL
OUTSIDE RIGHT CORNER CHAMFER ANGLE0.500 DEGREES NOMINAL
OVERALL DIAMETER24.000 MILLIMETERS NOMINAL
MATERIALSTEEL COMP XM-13 OVERALL
PERIPHERAL SHAPE STYLEROUND
TEST DATA DOCUMENT18876-13288389 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
THICKNESS3.000 MILLIMETERS NOMINAL


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