National Item Identification Number
00-421-7810
004217810
5365-00-421-7810
5365004217810
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)
24446
24446
Reference Numbers (Part Numbers)
ARSS63-110PC7
ARS5S63-110ITEM12
K6723672ITEM11
K6723672ITEM11
K6727889AASH2I
Required Categories
OVERALL THICKNESS
INSIDE DIAMETER
OUTSIDE DIAMETER
Required Description
0.375 INCHES NOMINAL
3.125 INCHES NOMINAL
3.875 INCHES NOMINAL