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National Stock Number:
5365-01-243-5300
Federal Supply Class:
5365
National Item Identification Number:
012435300
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:
| 42281-1 | 09344 | ROCKWELL COLLINS, INC. DBA RC DISPLAYS SYSTEMS |
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Techincal Specification:
| FEATURES PROVIDED | CASEHARDENED | | INSIDE DIAMETER | 3.893 INCHES MINIMUM AND 3.903 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL | TITANIUM ALLOY UNS R56400 | | OUTSIDE DIAMETER | 4.082 INCHES MINIMUM AND 4.092 INCHES MAXIMUM | | OVERALL THICKNESS | 0.158 INCHES MINIMUM AND 0.168 INCHES MAXIMUM | | SURFACE TREATMENT | CHROMIUM |
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