National Item Identification Number
01-203-2654
National Stock Number
Item Name
WASHER,FLAT
Federal Supply Class
5310
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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)
51492
FILTAIR CO THE
411 W FORK DR
ARLINGTON
TX
76012
817-265-7046
51792
COLUMBIA NUT & BOLT LLC
DBA NUTS AND BOLTS
50 GRAPHIC PLACE
MOONACHIE
NJ
07074
201-641-7600
80063
15526
METRIC AND MULTISTANDARD
COMPONENTS CORP
120 OLD SAW MILL RIVER RD
HAWTHORNE
NY
10532
914-769-5020
31550
Reference Numbers (Part Numbers)
A3013124-1
A3013124-1
A3013124-1
D70342/2-032
MIL-W--70342/2
M3-125ST
2117
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
SURFACE TREATMENT
SURFACE TREAT
Required Description
STEEL COMP 301 OR
STEEL COMP 302 OR
STEEL COMP 303 OR
STEEL COMP 303SE OR
ST