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National Stock Number:
5365-01-179-1357
Federal Supply Class:
5365
National Item Identification Number:
011791357
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:
| 12323884 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| FEATURES PROVIDED | CASEHARDENED | | HARDNESS RATING | 88.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 90.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM | | INSIDE DIAMETER | 5.513 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A519 ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL | | OUTSIDE DIAMETER | 6.185 INCHES MINIMUM AND 6.189 INCHES MAXIMUM | | SPECIAL FEATURES | INSIDE DIA ON ONE END COUNTERSUNK 0.290 BY 45 DEG,6.129 IN. DIA |
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