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National Stock Number:
5365-00-602-3660
Federal Supply Class:
5365
National Item Identification Number:
006023660
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:
| E87889-1 | 80020 | NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION CODE 4.8.8.0.0.B BLDG 148-2 |
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Techincal Specification:
| INSIDE DIAMETER | 18.520 INCHES MINIMUM AND 18.530 INCHES MAXIMUM | | OUTSIDE DIAMETER | 19.970 INCHES MINIMUM AND 19.980 INCHES MAXIMUM | | OVERALL THICKNESS | 0.563 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | COPPER ALLOY | | SPECIAL FEATURES | 12 HOLES EQUALLY SPACED, 0.150 IN. DIA |
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