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National Stock Number:
5365-00-573-9928
Federal Supply Class:
5365
National Item Identification Number:
005739928
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:
| 6863195 | 63005 | ROLLS-ROYCE CORPORATION | | 6863195 | 73342 | ALLISON TRANSMISSION INC | | 6867207 | 73342 | ALLISON TRANSMISSION INC | | 73064 | 75370 | KAYDON RING & SEAL INC | | 73064-00 | 75370 | KAYDON RING & SEAL INC | | 6863195 | K0680 | ROLLS-ROYCE AIRLINES | | EU10289 | K0680 | ROLLS-ROYCE AIRLINES |
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Techincal Specification:
| HARDNESS RATING | 23.0 ROCKWELL C MINIMUM AND 28.0 ROCKWELL C MAXIMUM | | INSIDE DIAMETER | 4.374 INCHES MINIMUM AND 4.375 INCHES MAXIMUM | | OUTSIDE DIAMETER | 4.740 INCHES MINIMUM AND 4.753 INCHES MAXIMUM | | OVERALL THICKNESS | 0.149 INCHES MINIMUM AND 0.150 INCHES MAXIMUM | | MATERIAL | IRON CAST | | SURFACE FINISH | 16.0 MICROINCHES BORE | | SURFACE FINISH | 16.0 MICROINCHES RIGHT SIDE | | SURFACE FINISH | 16.0 MICROINCHES LEFT SIDE | | SURFACE FINISH | 63.0 MICROINCHES LARGEST OUTSIDE DIAMETER |
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