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National Stock Number:
5365-00-992-0545
Federal Supply Class:
5365
National Item Identification Number:
009920545
Description:
SPACER,RING
Detail:
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.
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Manufacturer Information:
| V09-006-702B | 25169 | PROJECT MANAGER AMPHIBIOUS LIGHTERS ST LOUIS MO |
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Techincal Specification:
| FEATURES PROVIDED | CASEHARDENED | | HARDNESS RATING | 50.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM | | INSIDE DIAMETER | 2.686 INCHES MINIMUM AND 2.687 INCHES MAXIMUM | | OUTSIDE DIAMETER | 3.124 INCHES MINIMUM AND 3.126 INCHES MAXIMUM | | OVERALL THICKNESS | 0.750 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | AISI 440A ASSN STD 1ST MATERIAL RESPONSE OR SAE 41440C ASSN STD 2ND MATERIAL RESPONSE | | MATERIAL | STEEL COMP 440A OR STEEL COMP 440C | | SURFACE TREATMENT | PASSIVATE |
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