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National Stock Number:
5365-00-943-1794
Federal Supply Class:
5365
National Item Identification Number:
009431794
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:
| 65357-07011-101 | 54878 | ROTAIR AEROSPACE CORP | | 65357-07011-101 | 78286 | SIKORSKY AIRCRAFT CORPORATION | | 65357-070110101 | 5K901 | SKY MFG. COMPANY |
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Techincal Specification:
| FSC APPLICATION DATA | 1. GEAR BOX,DRIVE MECHANISM,HELICOPTER | | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM | | INSIDE DIAMETER | 2.010 INCHES MINIMUM AND 2.020 INCHES MAXIMUM | | OUTSIDE DIAMETER | 2.219 INCHES NOMINAL | | MATERIAL | STEEL COMP 4130 | | SURFACE FINISH | 90.0 MICROINCHES LARGEST OUTSIDE DIAMETER | | SURFACE FINISH | 90.0 MICROINCHES LEFT SIDE | | SURFACE FINISH | 90.0 MICROINCHES BORE | | SURFACE FINISH | 90.0 MICROINCHES RIGHT SIDE | | SURFACE TREATMENT | OXIDE |
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