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National Stock Number:
5365-00-291-2893
Federal Supply Class:
5365
National Item Identification Number:
002912893
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:
| P1052-12 | 43491 | GENERAL SIGNAL CORP | | P1052-12 | 62983 | EATON AEROSPACE, LLC | | P1052-12 | 90166 | EATON AEROSPACE, LLC |
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Techincal Specification:
| INSIDE DIAMETER | 2.997 INCHES MINIMUM AND 3.003 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 3651 ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE | | OUTSIDE DIAMETER | 3.243 INCHES MINIMUM AND 3.246 INCHES MAXIMUM | | OVERALL THICKNESS | 0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM |
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