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National Stock Number:
5365-01-495-0472
Federal Supply Class:
5365
National Item Identification Number:
014950472
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:
| 2643-822-57 ITEM 44 | 96169 | ELECTRIC BOAT CORPORATION | | 845-7286646 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 845-7286646 ITEM 44 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| INSIDE DIAMETER | 0.0030 INCHES MINIMUM AND 4.0050 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-T-9047, COMP TI-6AL-4V, COND A MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | TITANIUM ALLOY | | PROPRIETARY CHARACTERISTICS | PACS | | OUTSIDE DIAMETER | 4.7570 INCHES NOMINAL | | OVERALL THICKNESS | 0.4920 INCHES MINIMUM AND 0.4940 INCHES MAXIMUM | | SPECIAL FEATURES | TECH DATA NOT AUTHORIZED TO BE RELEASED OUTSIDE OF US | | SURFACE FINISH | 63.0 MICROINCHES OVERALL |
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