National Item Identification Number
01-428-9049
National Stock Number
Item Name
WASHER,FLAT
Federal Supply Class
5310
Description
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.
Commercial and Government Entity Code (Supplier Data)
5P630
MAN B&W DIESEL INC
10801 KEMPWOOD DRIVE
SUITE 1
HOUSTON
TX
77043
713-939-0073
K8098
MAN B&W DIESEL LTD PAXMAN
PAXMAN WORKS
HYTHE HILL COLCHESTER
CO1 2HW
UNITED KINGDOM
01206 795151
Reference Numbers (Part Numbers)
Y3J70994
3Y3/016 ITEM 21
Required Categories
MATERIAL
HOLE DIAMETER
PERIPHERAL SHAPE STYLE
OVERALL DIAMETER
CENTER HOLE S
Required Description
STEEL OVERALL
0.281 INCHES NOMINAL
1 ROUND
1.500 INCHES NOMINAL
1 ROUND
1 R