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National Stock Number:
5365-00-752-0778
Federal Supply Class:
5365
National Item Identification Number:
007520778
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:
| 7520778 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| FEATURES PROVIDED | CASEHARDENED | | FSC APPLICATION DATA | 1. PINION BEARING,TRANSMISSION,COMBAT VEHICLE | | HARDNESS RATING | 45.0 ROCKWELL C MINIMUM | | INSIDE DIAMETER | 4.359 INCHES NOMINAL | | OUTSIDE DIAMETER | 5.187 INCHES NOMINAL | | OVERALL THICKNESS | 0.084 INCHES MINIMUM AND 0.085 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66,SAE FED STD ALL MATERIAL RESPONSES | | MATERIAL | STEEL COMP 1010 OR STEEL COMP 1020 OR STEEL COMP 1022 |
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