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National Stock Number:
5365-01-488-5816
Federal Supply Class:
5365
National Item Identification Number:
014885816
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:
| 5HJ71206-133 | 81205 | THE BOEING COMPANY |
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Techincal Specification:
| INSIDE DIAMETER | 2.765 INCHES MINIMUM AND 2.860 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/8, 6061 T42 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SPACER | | PROPRIETARY CHARACTERISTICS | PACS | | OUTSIDE DIAMETER | 3.500 INCHES NOMINAL | | OVERALL THICKNESS | 0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM | | SPECIAL FEATURES | FINISH - CHEMICAL CONVERSION COAT ACCORDING TO MIL-C-5541, CLASS 1A, PRIME WITH 5PTMRT03 TO A DRY FILM THICKNESS OF 0.0006 TO 0.0009 INCH ACCORDING TO MIL-F-18264 |
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