National Item Identification Number

01-323-2617
013232617
5365-01-323-2617
5365013232617

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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4Z321

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TEST DEVICES INC.
6 LORING ST
HUDSON
MA
01749
978-562-6017

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Reference Numbers (Part Numbers)

129-B-140
129-B-140

Required Categories

OVERALL THICKNESS
INSIDE DIAMETER
OUTSIDE DIAMETER
SURFACE FINISH

Required Description

0.999 INCHES MINIMUM AND
1.000 INCHES MAXIMUM
3.379 INCHES MINIMUM AND
3.381