National Item Identification Number
00-262-4386
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)
03950
NAVAL INVENTORY CONTROL POINT
MECHANICSBURG
5450 CARLISLE PIKE
2020
MECHANICSBURG
PA
17055
717-605-3500
16712
SIEMENS DEMAG DELAVAL TURBOMACHINERY
INC.
840 NOTTINGHAM WAY
TRENTON
NJ
08638
609-890-5473
Reference Numbers (Part Numbers)
H5310-262-4386
NC141M
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
HOLE DIAMETER
PERIPHERAL SHAPE
Required Description
COPPER ALLOY OVERALL
MIL-C-15345 ALLOY N0. 9 MIL SPEC SINGLE MATERIAL RESPONSE