National Item Identification Number
00-515-8537
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)
96169
96169
96169
81316
PORTSMOUTH NAVAL SHIPYARD
PORTSMOUTH NAVAL SHIPYARD BLDG 170
KITTERY
ME
03904
207-438-4570
96169
Reference Numbers (Part Numbers)
K1-3801-1000121PR
2300-72285PCB3SHPCA3WASHER
2900-224PC4
2900-227PC4
3064-71
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
HOLE DIAMETER
PERIPHERAL SHAPE
Required Description
STEEL COMP 1 OVERALL
MIL-S-16113 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
0.5