National Item Identification Number
01-204-8870
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)
03538
LOCKHEED MARTIN CORPORATION
DBA MS2 DIV MARITIME SYSTEMS &
497 ELECTRONICS PKWY 5 BLD
LIVERPOOL
NY
13088
315-456-2622
14519
DESIGNATRONICS INC
2101 JERICHO TPKE
NEW HYDE PARK
NY
11040
516-328-3300
03538
LOCKHEED MARTIN CORPORATION
DBA MS2 DIV MARITIME SYSTEMS &
497 ELECTRONICS PKWY 5 BLD
LIVERPOOL
NY
13088
315-456-2622
13160
GENERAL DYNAMICS LAND SYSTEMS INC
DIV LAND SYSTEMS
991 ANNAPOLIS WAY
WOODBRIDGE
VA
22191
703-492-3222
59076
DESIGNATRONICS INC
STOCK DRIVE PRODUCTS DIV
2101 JERICHO TPKE
NEW HYDE PARK
NY
11040
516-328-0200
Reference Numbers (Part Numbers)
0601B0079-20
0601B0079-20
7X8-A12020
7577429-005
7577429-005
7577429-005
Required Categories
MATERIAL
SURFACE TREATMENT
HOLE DIAMETER
PERIPHERAL SHAPE STYLE
OVERALL DIAM
Required Description
STEEL COMP 303 OVERALL
PASSIVATE OVERALL
0.628 INCHES MINIMUM AND
0.633 INCHE