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National Stock Number:
5365-00-946-5340
Federal Supply Class:
5365
National Item Identification Number:
009465340
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:
| 65358-07024-101 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| FSC APPLICATION DATA | 1. TAIL GEARBOX,HELICOPTER | | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM | | INSIDE DIAMETER | 5.006 INCHES MINIMUM AND 5.016 INCHES MAXIMUM | | OUTSIDE DIAMETER | 5.312 INCHES NOMINAL | | OVERALL THICKNESS | 0.270 INCHES MINIMUM AND 0.280 INCHES MAXIMUM | | MATERIAL | STEEL COMP 4320 | | SURFACE FINISH | 90.0 MICROINCHES OVERALL | | SURFACE TREATMENT | PHOSPHATE |
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