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National Stock Number:
5365-00-472-2688
Federal Supply Class:
5365
National Item Identification Number:
004722688
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:
| 31-01614-2 | 72914 | GRIMES AEROSPACE COMPANY |
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Techincal Specification:
| INSIDE DIAMETER | 0.438 INCHES MINIMUM AND 0.448 INCHES MAXIMUM | | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE | | OUTSIDE DIAMETER | 0.552 INCHES MINIMUM AND 0.562 INCHES MAXIMUM | | OVERALL THICKNESS | 0.014 INCHES MINIMUM AND 0.018 INCHES MAXIMUM |
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