National Item Identification Number
01-157-2102
011572102
5365-01-157-2102
5365011572102
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)
96169
Reference Numbers (Part Numbers)
SSN637-501-2143842 PIECE 7
77643-65X2 PIECE 7
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
OVERALL THICKNESS
INSIDE DIAMET
Required Description
COPPER ALLOY 903
QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE
0.062 INCHES NOMIN