National Item Identification Number
66-139-4470
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)
Z0544
SAI GLOBAL LTD
286 SUSSEX ST
PO BOX 5420
SYDNEY
2000
AUSTRALIA
+61 2 8206 6060
Z0544
SAI GLOBAL LTD
286 SUSSEX ST
PO BOX 5420
SYDNEY
2000
AUSTRALIA
+61 2 8206 6060
Z4986
BAE SYSTEMS AUSTRALIA PTY LTD
40-52 TALAVERA RD
NORTH RYDE
2113
AUSTRALIA
08 8480 7554
Reference Numbers (Part Numbers)
AS 1237
AS 1237-MM5-FEZN5CTYPC
991/4/15555/004
Required Categories
Required Description
