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National Stock Number:
5365-01-221-9756
Federal Supply Class:
5365
National Item Identification Number:
012219756
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:
| 1276-08-343 | 44114 | BAE SYSTEMS LAND & ARMAMENTS L.P. | | 5365PL0830023 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH | | 5518960 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| HARDNESS RATING | 20.0 ROCKWELL C MINIMUM AND 25.0 ROCKWELL C MAXIMUM | | INSIDE DIAMETER | 25.02 MILLIMETERS MINIMUM AND 25.35 MILLIMETERS MAXIMUM | | OUTSIDE DIAMETER | 30.0 MILLIMETERS NOMINAL | | OVERALL THICKNESS | 4.632 MILLIMETERS MINIMUM AND 4.750 MILLIMETERS MAXIMUM | | MATERIAL | STEEL COMP 1040 OR STEEL COMP 1042 OR STEEL COMP 1043 OR STEEL COMP 1044 OR STEEL COMP 1045 |
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