National Item Identification Number
01-142-4877
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)
D9182
1FH08
LEHIGH-ARMSTRONG INC
202 BOSTON ROAD
BILLERICA
MA
01862
978-663-0010
D9182
1FH08
LEHIGH-ARMSTRONG INC
202 BOSTON ROAD
BILLERICA
MA
01862
978-663-0010
D9182
1FH08
LEHIGH-ARMSTRONG INC
202 BOSTON ROAD
BILLERICA
MA
01862
978-663-0010
D9182
D9182
D9182
1FH08
LEHIGH-ARMSTRONG INC
202 BOSTON ROAD
BILLERICA
MA
01862
978-663-0010
D8286
DIN DEUTSCHES INSTITUT FUER NORMUNG
EV
BURGGRAFENSTR. 6
BERLIN
10787
GERMANY
030-2601-0
Reference Numbers (Part Numbers)
C0ML 17X30MM
C0ML 17X30MM
C0ML 4.3X9MM
C0ML 4.3X9MM
C0ML 8.4X17MM
C0ML 8.4X
Required Categories
MATERIAL
HOLE DIAMETER
PERIPHERAL SHAPE STYLE
OVERALL DIAMETER
CENTER HOLE S
Required Description
COPPER ALLOY OVERALL
17.0 MILLIMETERS NOMINAL
1 ROUND
30.0 MILLIMETERS NOMINA