4820-00-816-5298 SEAT,VALVE Index 5905-00-816-5301 RESISTOR,FIXED,COMPOSITION

National Stock Number:
5310-00-816-5300

Federal Supply Class:
5310

National Item Identification Number:
008165300

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:
2640-087-2296169ELECTRIC BOAT CORPORATION
2640-148 PIECE80064NAVAL SHIP SYSTEMS COMMAND
513-2115660PC880064NAVAL SHIP SYSTEMS COMMAND
75765-57X4 PIEC96169ELECTRIC BOAT CORPORATION
2640-150PC2296169ELECTRIC BOAT CORPORATION
2640-160PC2296169ELECTRIC BOAT CORPORATION
845-1889836PC2280064NAVAL SHIP SYSTEMS COMMAND
845-2007651PC2280064NAVAL SHIP SYSTEMS COMMAND
SSBN616-513-21180064NAVAL SHIP SYSTEMS COMMAND
75765-57X4PC796169ELECTRIC BOAT CORPORATION


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HARDNESS RATING75.0 ROCKWELL M NOMINAL
HOLE DIAMETER0.619 INCHES MINIMUM AND 0.624 INCHES MAXIMUM
OVERALL DIAMETER0.869 INCHES MINIMUM AND 0.874 INCHES MAXIMUM
MATERIALPLASTIC POLYAMIDE (NYLON) OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.060 INCHES MINIMUM AND 0.063 INCHES MAXIMUM


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