5310-01-108-9259 WASHER,FLAT Index 5340-01-108-9261 GRIP,HANDLE

National Stock Number:
5310-01-108-9260

Federal Supply Class:
5310

National Item Identification Number:
011089260

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:
10088066A486GNIMIKKEISTOKESKUS NCB FINLAND
1230009519207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
MATERIALSTEEL COMP 4130 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.125 INCHES MINIMUM AND
0.130 INCHES MAXIMUM
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER0.260 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.057 INCHES MINIMUM AND
0.067 INCHES MAXIMUM
OUTSIDE LEFT CORNER CHAMFER ANGLE45.0 DEGREES NOMINAL
OUTSIDE RIGHT CORNER CHAMFER ANGLE45.0 DEGREES NOMINAL
HARDNESS RATING28.0 ROCKWELL C MINIMUM AND
33.0 ROCKWELL C MAXIMUM
SPECIFICATION/STANDARD DATA19207-12300095 GOVERNMENT STANDARD


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