National Item Identification Number
01-272-8438
012728438
5365-01-272-8438
5365012728438
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)
53711
Reference Numbers (Part Numbers)
2508976-326
2508976-326
Required Categories
MATERIAL DOCUMENT AND CLASSIFICATION
OVERALL THICKNESS
INSIDE DIAMETER
OUTSID
Required Description
QQ-C-390 FED SPEC ALL MATERIAL RESPONSES OR
QQ-C-525,COMP 12 FED SPEC ALL MATER