National Item Identification Number
00-171-6990
001716990
5365-00-171-6990
5365001716990
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)
49956
99193
Reference Numbers (Part Numbers)
AN901-8
AN901-8A
287-1176P4
362-601-90108
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
OVERALL THICKNESS
INSIDE DIAMET
Required Description
ALUMINUM ALLOY 1100
QQ-A-561,TYPE 1,CLASS 1/2 H FED SPEC SINGLE MATERIAL RESPON
