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National Stock Number:
5365-00-756-9179
Federal Supply Class:
5365
National Item Identification Number:
007569179
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:
| 5639 | 02121 | GOODRICH AEROSPACE CANADA LTD. | | 5639-5 | 02121 | GOODRICH AEROSPACE CANADA LTD. |
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Techincal Specification:
| OUTSIDE DIAMETER | 0.928 INCHES MINIMUM AND 0.930 INCHES MAXIMUM | | OVERALL THICKNESS | 0.187 INCHES NOMINAL | | INSIDE DIAMETER | 0.750 INCHES MINIMUM AND 0.752 INCHES MAXIMUM | | MATERIAL | STEEL COMP 4130 OR STEEL COMP E4340 OR STEEL COMP 4340 | | SURFACE FINISH | 125.0 MICROINCHES OVERALL |
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