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National Stock Number:
5365-01-154-4161
Federal Supply Class:
5365
National Item Identification Number:
011544161
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:
| 211367-000 | 81413 | BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. |
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Techincal Specification:
| INSIDE DIAMETER | 6.998 INCHES MINIMUM AND 7.003 INCHES MAXIMUM | | OUTSIDE DIAMETER | 7.186 INCHES NOMINAL | | OVERALL THICKNESS | 0.187 INCHES MINIMUM AND 0.188 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/11,T6 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 6061 | | SPECIAL FEATURES | TWO DRILLED HOLES 0.031 IN.MIN AND 0.034 IN.MAX 15 DEGREES APART ON OUTER PERIPHERY | | SURFACE FINISH | 63.0 MICROINCHES OVERALL |
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