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National Stock Number:
5365-00-127-3373
Federal Supply Class:
5365
National Item Identification Number:
001273373
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:
| 65370-04141-101 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| OVERALL THICKNESS | 0.100 INCHES MINIMUM AND | | 0.105 INCHES MAXIMUM | | INSIDE DIAMETER | 1.380 INCHES MINIMUM AND | | 1.382 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.680 INCHES NOMINAL | | MATERIAL | STEEL COMP 4130 | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-T-6736,TYPE 1,COND TH-125 MIL SPEC SINGLE MATERIAL RESPONSE | | SURFACE TREATMENT | OXIDE | | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND | | 33.0 ROCKWELL C MAXIMUM | | SURFACE FINISH | 90.0 MICROINCHES LARGEST OUTSIDE DIAMETER | | 90.0 MICROINCHES LEFT SIDE | | 90.0 MICROINCHES RIGHT SIDE | | 90.0 MICROINCHES BORE | | FSC APPLICATION DATA | CLUTCH ASSY,DRIVE MECHANISM,HELICOPTER | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 78286 | | DESIGN CONTROL REFERENCE | 65370-04141-101 |
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