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National Stock Number:
5365-00-839-1830
Federal Supply Class:
5365
National Item Identification Number:
008391830
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:
| NAS43DD5-7 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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Techincal Specification:
| INSIDE DIAMETER | 0.320 INCHES MINIMUM AND 0.360 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM | | OVERALL THICKNESS | 0.104 INCHES MINIMUM AND 0.114 INCHES MAXIMUM | | MATERIAL | ALUMINUM ALLOY | | SURFACE TREATMENT | ANODIZE |
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