National Item Identification Number
01-039-0181
010390181
5365-01-039-0181
5365010390181
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)
76823
Reference Numbers (Part Numbers)
14-52265-1
Required Categories
MATERIAL
SURFACE TREATMENT
INSIDE DIAMETER
SURFACE FINISH
THE MANUFACTURERS
Required Description
STEEL
CADMIUM
1.911 INCHES MINIMUM AND
1.920 INCHES MAXIMUM
125.0 MICROINCHE