National Item Identification Number

01-198-5498
011985498
5365-01-198-5498
5365011985498

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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28353

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ZURN INDUSTRIES INC
WILKINS REGULATOR CO DIV
1747 COMMERCE WAY
PASO ROBLES
CA
93446
805-238-7100

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28353

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ZURN INDUSTRIES INC
WILKINS REGULATOR CO DIV
1747 COMMERCE WAY
PASO ROBLES
CA
93446
805-238-7100

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Reference Numbers (Part Numbers)

R-500-12B-1-1/2
505B-12

Required Categories

MATERIAL
SURFACE TREATMENT
OVERALL THICKNESS
INSIDE DIAMETER
OUTSIDE DIAMETE

Required Description

STEEL
CADMIUM
0.032 INCHES NOMINAL
4.000 INCHES NOMINAL
4.705 INCHES MINIMUM