NSN 5310-01-297-1780

Part Details | FLAT WASHER

5310-01-297-1780 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.

Alternate Parts: 878611701 ITEM 36, 87861-1701 ITEM 36, 5610430, 56-10-430, 7044685209 ITEM 36, 704-4685209 ITEM 36, 5310-01-297-1780, 01-297-1780, 5310012971780, 012971780

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAR 30, 198901-297-178013393 ( WASHER, FLAT )
REFERENCE DRAWINGS & PICTURES

RECTANGULAR

ROUND

ROUND

Cross Reference | NSN 5310-01-297-1780
Part Number Cage Code Manufacturer
87861-1701 ITEM 3696169ELECTRIC BOAT CORPORATION
56-10-43096169ELECTRIC BOAT CORPORATION
704-4685209 ITEM 3680064NAVAL SHIP SYSTEMS COMMAND
Technical Data | NSN 5310-01-297-1780
Characteristic Specifications
HOLE DIAMETER1.530 INCHES NOMINAL
PERIPHERAL SHAPE STYLE ROUND
OVERALL DIAMETER3.000 INCHES NOMINAL
CENTER HOLE SHAPE STYLE ROUND
CROSS-SECTIONAL SHAPE STYLE RECTANGULAR
THICKNESS0.062 INCHES NOMINAL