National Item Identification Number
01-478-8567
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)
10630
ANILLO INDUSTRIES INC
2090 N GLASSELL ST
ORANGE
CA
92865
714-637-7000
5H383
PAC ZONAMATIC INC
1139 W. STATE STREET
ONTARIO
CA
91762
310-322-1098
58009
MOELLER MANUFACTURING & SUPPLY INC
805 E CERRITOS AVE
ANAHEIM
CA
92805
714-999-5551
8V613
86928
SEASTROM MANUFACTURING CO.
456 SEASTROM ST
TWIN FALLS
ID
83301
208-737-4300
Reference Numbers (Part Numbers)
HS306-212L
HS306-212L
HS306-212L
HS306-212L
HS306-212L
HS306-212L
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
HOLE DIAMETER
PERIPHERAL SHAPE
Required Description
STEEL COMP 301 OVERALL
MIL-S-5059,CRES 301 ASSN STD 3RD MATERIAL RESPONSE OVERA