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National Stock Number:
5365-99-701-2127
Federal Supply Class:
5365
National Item Identification Number:
997012127
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:
| 1731-4139 | K1464 | GOODRICH CONTROL SYSTEMS LTD T/A GOODRICH ENGINE CONTROL SYSTEMS | | 1731-4139 | U4287 | ROLLS-ROYCE CONTROLS AND DATA SERVICES LIMITED |
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Techincal Specification:
| SURFACE FINISH | 6.3 MICROMETERS RIGHT SIDE | | SURFACE FINISH | 6.3 MICROMETERS BORE | | INSIDE DIAMETER | 16.00 MILLIMETERS MINIMUM AND 16.40 MILLIMETERS MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | DFS-4080 MFR REF SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL | | OUTSIDE DIAMETER | 21.00 MILLIMETERS MINIMUM AND 21.30 MILLIMETERS MAXIMUM | | OVERALL THICKNESS | 2.40 MILLIMETERS MINIMUM AND 2.60 MILLIMETERS MAXIMUM | | SPECIAL FEATURES | 0.35 MM LG BY 45 DEG CHAMFER IN ONE END OF BORE | | SURFACE FINISH | 3.2 MICROMETERS LEFT SIDE |
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