5310-01-370-0011 NUT,PLAIN,BARREL Index 5306-01-370-0013 BOLT,MACHINE

National Stock Number:
5310-01-370-0012

Federal Supply Class:
5310

National Item Identification Number:
013700012

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:
12414473-018076M6BAE SYSTEMS LAND & ARMAMENTS L.P.
12414473-0180FW39BAE SYSTEMS TACTICAL VEHICLE SYSTEMS LP
12414473-01819207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
12414473-01875Q65OSHKOSH DEFENSE LLC
DIN125A19-200HV-A3DD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV
ISO7089-19-200HV-A3DI9008INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO)


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER19.0 MILLIMETERS NOMINAL
OVERALL DIAMETER34.0 MILLIMETERS NOMINAL
MATERIALSTEEL OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENTZINC OVERALL
THICKNESS2.7 MILLIMETERS MINIMUM AND 3.3 MILLIMETERS MAXIMUM


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