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National Stock Number:
5365-01-266-9405
Federal Supply Class:
5365
National Item Identification Number:
012669405
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:
| 65351-11067-101 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| FEATURES PROVIDED | CASEHARDENED | | HARDNESS RATING | 58.0 ROCKWELL C MINIMUM AND 64.0 ROCKWELL C MAXIMUM | | INSIDE DIAMETER | 8.626 INCHES MINIMUM AND 8.629 INCHES MAXIMUM | | OUTSIDE DIAMETER | 11.500 INCHES NOMINAL | | OVERALL THICKNESS | 0.190 INCHES MINIMUM AND 0.193 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6260 ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL COMP E9310 | | SURFACE FINISH | 55.0 MICROINCHES LEFT SIDE | | SURFACE FINISH | 55.0 MICROINCHES RIGHT SIDE |
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