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National Stock Number:
5365-01-094-5809
Federal Supply Class:
5365
National Item Identification Number:
010945809
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:
| 70358-06334-103 | 65780 | TEK PRECISION CO LIMITED | | 70358-06334-103 | 65910 | MAYDAY MANUFACTURING CO. | | 70358-06334-103 | 78286 | SIKORSKY AIRCRAFT CORPORATION | | 70358-06334-103 | 8P827 | EDR INDUSTRIES, INC. |
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Techincal Specification:
| INSIDE DIAMETER | 4.162 INCHES MINIMUM AND | | 4.163 INCHES MAXIMUM | | OUTSIDE DIAMETER | 4.300 INCHES MINIMUM AND | | 4.302 INCHES MAXIMUM | | MATERIAL | STEEL COMP 4340 | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6415 ASSN STD SINGLE MATERIAL RESPONSE | | HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND | | 38.0 ROCKWELL C MAXIMUM | | SURFACE FINISH | 125.0 MICROINCHES LARGEST OUTSIDE DIAMETER | | 125.0 MICROINCHES LEFT SIDE | | 125.0 MICROINCHES RIGHT SIDE | | 125.0 MICROINCHES BORE | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 8P827 | | DESIGN CONTROL REFERENCE | 70358-06334-103 |
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