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National Stock Number:
5365-01-122-8717
Federal Supply Class:
5365
National Item Identification Number:
011228717
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:
| 588941-347 | 73030 | HAMILTON SUNDSTRAND CORPORATION | | 588941-347 | 99207 | GENERAL ELECTRIC COMPANY |
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Techincal Specification:
| HARDNESS RATING | 302.0 VICKERS MINIMUM AND 372.0 VICKERS MAXIMUM | | INSIDE DIAMETER | 0.315 INCHES MINIMUM AND 0.325 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5504 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5612 ASSN STD 1ST MATERIAL RESPONSE OR HS-78 CAGE 73030 MFR REF 2ND MATERIAL RESPONSE | | MATERIAL | STEEL COMP 410 OR STEEL | | OUTSIDE DIAMETER | 0.395 INCHES MINIMUM AND 0.405 INCHES MAXIMUM | | OVERALL THICKNESS | 0.0155 INCHES MINIMUM AND 0.0165 INCHES MAXIMUM | | SURFACE FINISH | 63.0 MICROINCHES OVERALL |
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