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National Stock Number:
5365-99-144-7849
Federal Supply Class:
5365
National Item Identification Number:
991447849
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:
| 713025 | U7388 | TRIUMPH AEROSPACE OPERATIONS UK, LTD. | | 713025960 | K0654 | SAFRAN LANDING SYSTEMS UK LTD | | S13050-3045 | 09257 | TRELLEBORG SEALING SOLUTIONS US, INC. | | 713025960 ZZ | K0654 | SAFRAN LANDING SYSTEMS UK LTD |
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Techincal Specification:
| INSIDE DIAMETER | 3.677 INCHES MINIMUM AND 3.680 INCHES MAXIMUM | | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE | | OUTSIDE DIAMETER | 3.755 INCHES MINIMUM AND 3.758 INCHES MAXIMUM | | OVERALL THICKNESS | 0.150 INCHES MINIMUM AND 0.155 INCHES MAXIMUM | | SPECIAL FEATURES | MATERIAL DOWTY ROTOL LTD RAS 347 OR DOWTY SEALS LTDDS27 GRADE A; ROUND SHAPE; NON-HARDENED CASE ; ROUND HOLE SHAPE |
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