National Item Identification Number
01-131-2606
011312606
5365-01-131-2606
5365011312606
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)
82402
Reference Numbers (Part Numbers)
42312D285
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
HARDNESS RATING
OVERALL THICKNE
Required Description
STEEL COMP 4140
MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE
34.0 ROCKWELL C M
