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National Stock Number:
5365-99-744-4750
Federal Supply Class:
5365
National Item Identification Number:
997444750
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:
| 1541-1244 | K1464 | GOODRICH CONTROL SYSTEMS LTD T/A GOODRICH ENGINE CONTROL SYSTEMS | | 1541-1244 | U4287 | ROLLS-ROYCE CONTROLS AND DATA SERVICES LIMITED |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | ADUM AND AARX AND ABHE | | HARDNESS RATING | 255.0 BRINELL STANDARD MINIMUM AND 321.0 BRINELL STANDARD MAXIMUM | | INSIDE DIAMETER | 1.1535 INCHES MINIMUM AND 1.1614 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | BS 80 CONDITION B NATIONAL SPEC SINGLE MATERIAL RESPONSE OR BS 80 CONDITION D NATIONAL SPEC SINGLE MATERIAL RESPONSE OR BS S 137 NATIONAL SPEC SINGLE MATERIAL RESPONSE OR BS S80 CONDITON C NATIONAL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL | | OUTSIDE DIAMETER | 1.2874 INCHES MINIMUM AND 1.2953 INCHES MAXIMUM | | OVERALL THICKNESS | 0.0905 INCHES MINIMUM AND 0.0984 INCHES MAXIMUM | | SURFACE FINISH | 125.0 MICROINCHES OVERALL |
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