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National Stock Number:
5365-00-857-9836
Federal Supply Class:
5365
National Item Identification Number:
008579836
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:
| 6863685 | 63005 | ROLLS-ROYCE CORPORATION | | 6863685 | 73342 | ALLISON TRANSMISSION INC | | 6863685 | K0680 | ROLLS-ROYCE AIRLINES | | EU42259 | K0680 | ROLLS-ROYCE AIRLINES |
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Techincal Specification:
| FSC APPLICATION DATA | 1. ENGINE,ACFT,TURBO FAN | | HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM | | INSIDE DIAMETER | 2.447 INCHES MINIMUM AND 2.460 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | EMS 72620,ALLISON DIV,GMC MFR REF SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL CORROSION RESISTING | | OUTSIDE DIAMETER | 2.656 INCHES MINIMUM AND 2.657 INCHES MAXIMUM | | OVERALL THICKNESS | 0.104 INCHES NOMINAL | | SURFACE FINISH | 63.0 MICROINCHES OVERALL |
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