National Item Identification Number
01-305-0554
013050554
5365-01-305-0554
5365013050554
National Stock Number
Item Name
SPACER,RING
Federal Supply Class
5365
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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)
97403
CECOM LR CENTER
OPNS CENTER SITCO USASA MDW
10115 GRIDLEY RD SUITE 228
FORT BELVOIR
VA
22060
NSN (National Stock Number) 5365-01-305-0554, 5365013050554 NIIN (National Identification Number) 01-305-0554, 013050554
Part Numbers (Reference Numbers)
13221E8320-3
Required Categories
MATERIAL
OVERALL THICKNESS
INSIDE DIAMETER
OUTSIDE DIAMETER
Required Description
ALUMINUM ALLOY
0.470 INCHES MINIMUM AND
0.530 INCHES MAXIMUM
2.375 INCHES NOM