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National Stock Number:
5365-99-549-9522
Federal Supply Class:
5365
National Item Identification Number:
995499522
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:
| 60204330 | K4244 | BAE SYSTEMS GLOBAL COMBAT SYSTEMS LIMITED | | AM 02 09 21036 | K4244 | BAE SYSTEMS GLOBAL COMBAT SYSTEMS LIMITED |
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Techincal Specification:
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTMB211:5056-0 ASSN STD SINGLE MATERIAL RESPONSE OR ASTMB221:5083-0 ASSN STD SINGLE MATERIAL RESPONSE OR ASTMB211:6061 ASSN STD SINGLE MATERIAL RESPONSE OR ASTMB221:6061 ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY | | OUTSIDE DIAMETER | 22.75 MILLIMETERS MINIMUM AND 23.25 MILLIMETERS MAXIMUM | | OVERALL THICKNESS | 3.75 MILLIMETERS MINIMUM AND 4.25 MILLIMETERS MAXIMUM | | SURFACE FINISH | 3.2 MICROMETERS OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-STD-171 MIL STD SINGLE TREATMENT RESPONSE | | SURFACE TREATMENT | ANODIZE | | INSIDE DIAMETER | 19.00 MILLIMETERS MINIMUM AND 19.50 MILLIMETERS MAXIMUM |
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