NSN 5310-00-490-6659

Part Details | FLAT WASHER

5310-00-490-6659 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: C1239143, C12-39143, 5310-00-490-6659, 00-490-6659, 5310004906659, 004906659

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53SEP 24, 196900-490-665913393 ( WASHER, FLAT )
REFERENCE DRAWINGS & PICTURES

RECTANGULAR

ROUND

ROUND

Cross Reference | NSN 5310-00-490-6659
Part Number Cage Code Manufacturer
C12-3914388907BRUNSWICK CORPORATIONDBA MERCURY MARINE
Technical Data | NSN 5310-00-490-6659
Characteristic Specifications
HARDNESS RATINGRCB35.0 ROCKWELL C MAXIMUM AND 40.0 ROCKWELL C MAXIMUM
HOLE DIAMETER0.252 INCHES MINIMUM AND 0.254 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE ROUND
OVERALL DIAMETER0.625 INCHES NOMINAL
CENTER HOLE SHAPE STYLE ROUND
CROSS-SECTIONAL SHAPE STYLE RECTANGULAR
THICKNESS0.094 INCHES NOMINAL
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT