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National Stock Number:
5365-01-208-6947
Federal Supply Class:
5365
National Item Identification Number:
012086947
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:
| A02D2301-1 | 77272 | THE BOEING COMPANY | | A02D2301-2 | 0F3N2 | CREATIVE PRECISION, INC. | | A02D2301-2 | 77272 | THE BOEING COMPANY |
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Techincal Specification:
| INSIDE DIAMETER | 2.445 INCHES MINIMUM AND 2.448 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-T-6736 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5059,1/2 HARD MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 4TH MATERIAL RESPONSE | | MATERIAL | STEEL COMP 4130 OR STEEL COMP 302 OR STEEL COMP E4340 | | PROPRIETARY CHARACTERISTICS | PACS | | OUTSIDE DIAMETER | 2.690 INCHES MINIMUM AND 2.710 INCHES MAXIMUM | | OVERALL THICKNESS | 0.300 INCHES MINIMUM AND 0.320 INCHES MAXIMUM | | SURFACE FINISH | 63.0 MICROINCHES BORE |
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