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National Stock Number:
5365-00-761-9486
Federal Supply Class:
5365
National Item Identification Number:
007619486
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:
| S6110-23129 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM | | INSIDE DIAMETER | 4.533 INCHES MINIMUM AND 4.535 INCHES MAXIMUM | | OVERALL THICKNESS | 0.308 INCHES MINIMUM AND 0.318 INCHES MAXIMUM | | MATERIAL | STEEL CORROSION RESISTING | | SPECIAL FEATURES | TWO THD HOLES 10-32 NF-2B,TWO FLATTED SIDES ON INSIDE DIA ADJACENT TO HOLES | | SURFACE TREATMENT | CADMIUM |
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