National Item Identification Number
01-133-3914
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)
55566
R A F ELECTRONIC HARDWARE INC
95 SILVERMINE RD
SEYMOUR
CT
06483
203-888-2133
55566
R A F ELECTRONIC HARDWARE INC
95 SILVERMINE RD
SEYMOUR
CT
06483
203-888-2133
93322
SMITHS AEROSPACE LLC ELECTRONIC
SYSTEMS-GRAND RAPIDS
3290 PATTERSON AVE SE
GRAND RAPIDS
MI
49512
616-241-8511
93322
SMITHS AEROSPACE LLC ELECTRONIC
SYSTEMS-GRAND RAPIDS
3290 PATTERSON AVE SE
GRAND RAPIDS
MI
49512
616-241-8511
Reference Numbers (Part Numbers)
1057
1057-SS
7109226
7109226-001
Required Categories
MATERIAL
HOLE DIAMETER
PERIPHERAL SHAPE STYLE
OVERALL DIAMETER
CENTER HOLE S
Required Description
STEEL CORROSION RESISTING OVERALL
0.090 INCHES MINIMUM AND
0.096 INCHES MAXIMU