5305-01-422-6060 SCREW,CAP,HEXAGON HEAD Index 5315-01-422-6062 KEY,MACHINE

National Stock Number:
5310-01-422-6061

Federal Supply Class:
5310

National Item Identification Number:
014226061

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:
1236591906085BAE SYSTEMS LAND & ARMAMENTS L.P.
12365919076M6AMZ ALABAMA INC.
1236591919207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
MATERIALSTEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A36 ASSN STD SINGLE MATERIAL RESPONSE OR
ASTM A575 ASSN STD SINGLE MATERIAL RESPONSE OR
ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.280 INCHES MINIMUM AND
0.340 INCHES MAXIMUM
PERIPHERAL SHAPE STYLESQUARE
WIDTH ACROSS FLATS0.560 INCHES MINIMUM AND
0.680 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.440 INCHES MINIMUM AND
0.560 INCHES MAXIMUM


Click here to Register for Free 30-day Trial