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National Stock Number:
5365-01-344-6921
Federal Supply Class:
5365
National Item Identification Number:
013446921
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:
| 17P1C2051-1 | 88277 | THE BOEING COMPANY |
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Techincal Specification:
| INSIDE DIAMETER | 2.250 INCHES MINIMUM AND 2.252 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6414 ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL COMP 4340 | | PROPRIETARY CHARACTERISTICS | PACS | | OUTSIDE DIAMETER | 2.750 INCHES MINIMUM AND 2.760 INCHES MAXIMUM | | OVERALL THICKNESS | 0.625 INCHES NOMINAL | | SPECIAL FEATURES | 2 SLOTS,0.315 INS DIA | | SURFACE TREATMENT | CADMIUM AND CHROMATE |
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