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National Stock Number:
5365-00-944-1787
Federal Supply Class:
5365
National Item Identification Number:
009441787
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:
| 114D1111-1 | 77272 | THE BOEING COMPANY |
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Techincal Specification:
| INSIDE DIAMETER | 4.3305 INCHES MINIMUM AND 4.3310 INCHES MAXIMUM | | OUTSIDE DIAMETER | 4.870 INCHES MINIMUM AND 4.880 INCHES MAXIMUM | | OVERALL THICKNESS | 1.104 INCHES MINIMUM AND 1.108 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758,COND C,SURF COND 1 MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL COMP 4130 | | SURFACE FINISH | 125.0 MICROINCHES BORE | | SURFACE FINISH | 125.0 MICROINCHES LEFT SIDE | | SURFACE FINISH | 125.0 MICROINCHES LARGEST OUTSIDE DIAMETER | | SURFACE FINISH | 125.0 MICROINCHES RIGHT SIDE | | SURFACE TREATMENT | OXIDE |
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