National Item Identification Number
01-231-9923
012319923
5365-01-231-9923
5365012319923
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)
0L1E5
Reference Numbers (Part Numbers)
4078493-3
4078493-3
Required Categories
OVERALL THICKNESS
INSIDE DIAMETER
OUTSIDE DIAMETER
SPECIAL FEATURES
III FSC
Required Description
0.500 INCHES NOMINAL
3.810 INCHES NOMINAL
4.310 INCHES NOMINAL
1 EDGE ON OD H
