National Item Identification Number

01-278-1377
012781377
5365-01-278-1377
5365012781377

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)

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99313

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COMMUNICATIONS & POWER INDUSTRIES
INC
811 HANSEN WAY BLDG 2
PALO ALTO
CA
94304
650-846-3093

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Reference Numbers (Part Numbers)

403210

Required Categories

MATERIAL
OVERALL THICKNESS
INSIDE DIAMETER
OUTSIDE DIAMETER
SPECIAL FEATURES

Required Description

STEEL
0.673 INCHES NOMINAL
6.020 INCHES NOMINAL
12.476 INCHES NOMINAL
22 HOL