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National Stock Number:
5365-00-488-4366
Federal Supply Class:
5365
National Item Identification Number:
004884366
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:
| RS000227-003-00 | 02602 | AEROJET ROCKETDYNE OF DE, INC |
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Techincal Specification:
| INSIDE DIAMETER | 3.935 INCHES MINIMUM AND 3.940 INCHES MAXIMUM | | OUTSIDE DIAMETER | 4.195 INCHES MINIMUM AND 4.200 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL | TITANIUM ALLOY UNS R56400 | | NUCLEAR HARDNESS CRITICAL FEATURE | HARDENED | | SPECIAL FEATURES | DESIGN ANALYSIS; NUCLEAR HARDNESS CRITICAL | | SURFACE FINISH | 125.0 MICROINCHES BORE | | SURFACE FINISH | 125.0 MICROINCHES LARGEST OUTSIDE DIAMETER | | SURFACE FINISH | 125.0 MICROINCHES LEFT SIDE | | SURFACE FINISH | 125.0 MICROINCHES RIGHT SIDE |
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