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National Stock Number:
5365-01-276-6761
Federal Supply Class:
5365
National Item Identification Number:
012766761
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:
| 61350-24027-104 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| INSIDE DIAMETER | 2.727 INCHES MINIMUM AND 2.728 INCHES MAXIMUM | | OUTSIDE DIAMETER | 3.0255 INCHES MINIMUM AND 3.0265 INCHES MAXIMUM | | OVERALL THICKNESS | 0.150 INCHES MINIMUM AND 0.155 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-390,ALLOY 954 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | COPPER ALLOY 954 | | SPECIAL FEATURES | INTERNAL FLANGE 2.836 IN. DIA MIN 2.842 IN. DIA MAX,4 HOLES 0.041 IN. DIA MIN,0.045 IN. DIA MAX |
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