National Item Identification Number
00-451-1937
004511937
5365-00-451-1937
5365004511937
National Stock Number
Item Name
SPACER,RING
Federal Supply Class
5365
Description
A circular-shaped item designed to maintain predetermined distance between assembled parts and/or for distributing pressure or preventing endwise movement between member parts. It has a solid cross-section and two flat parallel bearing surfaces. The distance between the bearing surfaces perpendicular to the axis of the centrally located hole shall not exceed 25 percent of the outside diameter. The diameter of the centrally located hole must exceed 75 percent of the outside diameter. Excludes laminated items. For items manufactured from impregnated graphite or lubricated nonmetallic materials, excluding felt or plastics, see GASKET. For items manufactured from lubricated plastics, see BEARING, WASHER, THRUST. For items manufactured from lubricated felt, see FELT, MECHANICAL, PREFORMED. Excludes DISK, VALVE; INSULATOR WASHER; and SHIM. See also SPACER, PLATE and SPACER, SLEEVE.
Commercial and Government Entity Code (Supplier Data)
51663
Reference Numbers (Part Numbers)
RA8399
Required Categories
MATERIAL
SURFACE TREATMENT
OVERALL THICKNESS
INSIDE DIAMETER
OUTSIDE DIAMETE
Required Description
STEEL
CADMIUM
0.035 INCHES MINIMUM AND
0.040 INCHES MAXIMUM
0.359 INCHES MIN