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National Stock Number:
5365-99-346-4408
Federal Supply Class:
5365
National Item Identification Number:
993464408
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:
| 12073790 | K4244 | BAE SYSTEMS GLOBAL COMBAT SYSTEMS LIMITED | | AM 02 02 21025 | K4244 | BAE SYSTEMS GLOBAL COMBAT SYSTEMS LIMITED |
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Techincal Specification:
| INSIDE DIAMETER | 27.50 MILLIMETERS MINIMUM AND 28.00 MILLIMETERS MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A 1008/A 1008M ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL | | OUTSIDE DIAMETER | 35.50 MILLIMETERS MINIMUM AND 36.00 MILLIMETERS MAXIMUM | | OVERALL THICKNESS | 0.75 MILLIMETERS MINIMUM AND 1.25 MILLIMETERS MAXIMUM | | SPECIAL FEATURES | PHOSPHATE AND OIL MIL-STD-171:LEFT AND RIGHT SIDE,6.3 MICRONS/BORE,3.2 MICRONS |
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