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National Stock Number:
5365-00-059-5545
Federal Supply Class:
5365
National Item Identification Number:
000595545
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:
| S6135-20642 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| OVERALL THICKNESS | 0.1825 INCHES NOMINAL | | INSIDE DIAMETER | 2.3685 INCHES NOMINAL | | OUTSIDE DIAMETER | 2.812 INCHES NOMINAL | | MATERIAL | STEEL COMP 4130 | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-T-6736,TYPE 1,COND N MIL SPEC SINGLE MATERIAL RESPONSE | | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND | | 33.0 ROCKWELL C MAXIMUM | | SURFACE FINISH | 100.0 MICROINCHES LARGEST OUTSIDE DIAMETER | | 100.0 MICROINCHES LEFT SIDE | | 100.0 MICROINCHES RIGHT SIDE | | 100.0 MICROINCHES BORE | | FSC APPLICATION DATA | 1. HELICOPTER DRIVE MECHANISMS,ARFRAME |
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