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National Stock Number:
5365-01-520-9444
Federal Supply Class:
5365
National Item Identification Number:
015209444
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:
| 901-011-472-101 | 97499 | BELL TEXTRON INC |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | FEAT | | INSIDE DIAMETER | 17.290 INCHES MINIMUM AND 17.310 INCHES MAXIMUM | | OUTSIDE DIAMETER | 18.740 INCHES MINIMUM AND 18.760 INCHES MAXIMUM | | OVERALL THICKNESS | 0.125 INCHES NOMINAL | | MATERIAL | STEEL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | INAVY SHIM , AIRCRAFT , MATER | | SPECIAL FEATURES | ESSENTIAL TO WEAPON SYSTEM PERFORMANCE OR OPERATION, OR THE PRESERVATION OF LIFE OR SAFETY OF OPERATING PERSONNEL |
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