National Item Identification Number
00-262-4574
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)
80249
BAE SYSTEMS INFORMATION AND
ELECTRONIC SYSTEMS INTEGRATION INC.
450 PULASKI RD
GREENLAWN
NY
11740
631-262-8497
73734
FEDERAL SCREW PRODUCTS INC
9742 W FOSTER ST
ROSEMONT
IL
60018
773-992-2600
9N770
TELEPHONICS CORP/PRD INSTRUMENTS
789 PARK AVE
HUNTINGTON
NY
11743
631-549-6000
Reference Numbers (Part Numbers)
EE5-1-6S
FWSB6N
1444
24587
24587
3811-3-5
Required Categories
SURFACE TREATMENT
HOLE DIAMETER
PERIPHERAL SHAPE STYLE
OVERALL DIAMETER
CENT
Required Description
NICKEL OVERALL
0.151 INCHES NOMINAL
1 ROUND
0.312 INCHES NOMINAL
1 ROUND
1