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National Stock Number:
5365-12-168-9437
Federal Supply Class:
5365
National Item Identification Number:
121689437
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:
| 0770 031 586 | D0741 | ZAHNRADFABRIK FRIEDRICHSHAFEN AG WERK SCHWAEBISCH GMUEND | | 0770 031 586 | D8124 | ZF FRIEDRICHSHAFEN AG | | 0770031586 | D0741 | ZAHNRADFABRIK FRIEDRICHSHAFEN AG WERK SCHWAEBISCH GMUEND | | 0770031586 | D8124 | ZF FRIEDRICHSHAFEN AG | | 0918745 | D8009 | TADANO FAUN GMBH | | 521163777 | C2254 | LIEBHERR-WERK EHINGEN GMBH | | 7391-636 | D8009 | TADANO FAUN GMBH | | 7391636 | D8009 | TADANO FAUN GMBH | | 81.90712-0240 | D3273 | MAN TRUCK & BUS AG | | 81907120240 | D3273 | MAN TRUCK & BUS AG |
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Techincal Specification:
| HARDNESS RATING | 44.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM | | INSIDE DIAMETER | 30.2 MILLIMETERS MINIMUM AND 30.4 MILLIMETERS MAXIMUM | | MATERIAL | STEEL | | OUTSIDE DIAMETER | 38.6 MILLIMETERS MINIMUM AND 39.0 MILLIMETERS MAXIMUM | | OVERALL THICKNESS | 1.63 MILLIMETERS MINIMUM AND 1.65 MILLIMETERS MAXIMUM |
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