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National Stock Number:
5365-21-892-6701
Federal Supply Class:
5365
National Item Identification Number:
218926701
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:
| 90181 | 36575 | AIRCHIME MFG CO LTD |
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Techincal Specification:
| HARDNESS RATING | 56.0 ROCKWELL C MINIMUM AND 58.0 ROCKWELL C MAXIMUM | | INSIDE DIAMETER | 1.1812 INCHES MINIMUM AND 1.1817 INCHES MAXIMUM | | MATERIAL | STEEL | | OUTSIDE DIAMETER | 1.5 INCHES MINIMUM AND 1.5005 INCHES MAXIMUM | | OVERALL THICKNESS | 0.354 INCHES MINIMUM AND 0.356 INCHES MAXIMUM | | SPECIAL FEATURES | INSIDE LEFT CORNER 45.0 DEGREE CHAMFER 0.062 INCH DEEP WITH 0.098 INCH RADIUS GROOVE ACROSS FACE 0.030 TO 0.040 INCH DEEP; CASEHARDENED |
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