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National Stock Number:
5365-99-271-6765
Federal Supply Class:
5365
National Item Identification Number:
992716765
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:
| AMP 01 02 39004 | K4244 | BAE SYSTEMS GLOBAL COMBAT SYSTEMS LIMITED |
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Techincal Specification:
| INSIDE DIAMETER | 30.75 MILLIMETERS MINIMUM AND 31.25 MILLIMETERS MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | USA ASTM B211 ASSN STD 1ST MATERIAL RESPONSE AND USA ASTM B221 ASSN STD 2ND MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY | | OUTSIDE DIAMETER | 39.75 MILLIMETERS MINIMUM AND 40.25 MILLIMETERS MAXIMUM | | SPECIAL FEATURES | PARTIALLY PAINTED GREEN;4.75MM MIN & 5.25MM MAX OUTSIDE THK | | SURFACE TREATMENT | ANODIZE |
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