National Item Identification Number
00-198-9333
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)
57057
82389
SWITCHCRAFT INC.
SUB OF RAYTHEON CO
5555 N ELSTON AVE
CHICAGO
IL
60630
773-792-2700
12763
DYNALEC CORP
87 W MAIN ST
SODUS
NY
14551
315-483-6923
78957
COMDIAL BUSINESS COMMUNICATIONS CORP
REPAIR DEPT
1180 SEMINOLE TRL
7266
CHARLOTTESVILLE
VA
22906
434-978-2200
Reference Numbers (Part Numbers)
HM245
STR0NGH0LDWASHER
S1022-1
1624
1624
Required Categories
MATERIAL
SURFACE TREATMENT
HOLE DIAMETER
PERIPHERAL SHAPE STYLE
OVERALL DIAM
Required Description
COPPER ALLOY OVERALL
NICKEL OVERALL
0.375 INCHES NOMINAL
1 ROUND
0.625 INCHE