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National Stock Number:
5365-00-881-4804
Federal Supply Class:
5365
National Item Identification Number:
008814804
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:
| 6860451 | 63005 | ROLLS-ROYCE CORPORATION | | 6860451 | 73342 | ALLISON TRANSMISSION INC | | 6860451 | K0680 | ROLLS-ROYCE AIRLINES | | EU11466 | K0680 | ROLLS-ROYCE AIRLINES |
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Techincal Specification:
| FEATURES PROVIDED | CASEHARDENED | | FSC APPLICATION DATA | 1. ENGINE,ACFT,TURBO-FAN | | HARDNESS RATING | 57.0 ROCKWELL C MINIMUM | | INSIDE DIAMETER | 3.805 INCHES MINIMUM AND 3.825 INCHES MAXIMUM | | OUTSIDE DIAMETER | 4.090 INCHES MINIMUM AND 4.098 INCHES MAXIMUM | | OVERALL THICKNESS | 0.095 INCHES MINIMUM AND 0.105 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6260,COMP 9310 ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL COMP E9310 | | SURFACE FINISH | 16.0 MICROINCHES LEFT SIDE | | SURFACE FINISH | 16.0 MICROINCHES RIGHT SIDE | | SURFACE FINISH | 63.0 MICROINCHES BORE | | SURFACE FINISH | 63.0 MICROINCHES LARGEST OUTSIDE DIAMETER |
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