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National Stock Number:
5365-00-849-4364
Federal Supply Class:
5365
National Item Identification Number:
008494364
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:
| 114R3406-1 | 77272 | THE BOEING COMPANY |
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Techincal Specification:
| INSIDE DIAMETER | 5.450 INCHES NOMINAL | | OUTSIDE DIAMETER | 6.488 INCHES MINIMUM AND 6.490 INCHES MAXIMUM | | OVERALL THICKNESS | 0.500 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY 2024 | | SPECIAL FEATURES | RIGHT ID COUNTERBORED TO 6.000 IN. DIA BY 0.250 IN. DEEP AND INSIDE ID CORNER CHAMFERED 45 DEG,ONE INTERNAL GROOVE 0.100 IN. W BY 6.125 IN. DIA AT COUNTERBORE BASE,RING CUT IN HALF BY 0.030 IN. W CUT | | SURFACE FINISH | 125.0 MICROINCHES OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE | | SURFACE TREATMENT | CHROMATE |
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