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National Stock Number:
5365-00-298-7502
Federal Supply Class:
5365
National Item Identification Number:
002987502
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:
| S14-25-3226 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| INSIDE DIAMETER | 1.505 INCHES MINIMUM AND 1.510 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-698 COND 3 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL | | OUTSIDE DIAMETER | 2.594 INCHES MINIMUM AND 2.656 INCHES MAXIMUM | | OVERALL THICKNESS | 0.042 INCHES NOMINAL | | SPECIAL FEATURES | ID HAS FLATS WIDTH BETWEEN FLATS IS 1.380 IN. MIN 1.385 IN. MAX |
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