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National Stock Number:
5365-01-492-6421
Federal Supply Class:
5365
National Item Identification Number:
014926421
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:
| 566-6985429-62 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 566-6985432 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 566-6985432-52 | 53711 | NAVAL SEA SYSTEMS COMMAND | | H623-0501-52 | 96169 | ELECTRIC BOAT CORPORATION | | H623-0505-52 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| INSIDE DIAMETER | 3.510 INCHES MINIMUM AND 3.515 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | DELRIN COMP AF-DE-588 MFR REF ALL MATERIAL RESPONSES | | MATERIAL | PLASTIC ACETAL | | PROPRIETARY CHARACTERISTICS | PACS | | OUTSIDE DIAMETER | 4.248 INCHES MINIMUM AND 4.253 INCHES MAXIMUM | | OVERALL THICKNESS | 0.630 INCHES NOMINAL |
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