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National Stock Number:
5365-01-294-5253
Federal Supply Class:
5365
National Item Identification Number:
012945253
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:
| 39888 | 24235 | WILLIAMS INTERNATIONAL CO., L.L.C. |
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Techincal Specification:
| HARDNESS RATING | 25.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM | | INSIDE DIAMETER | 1.520 INCHES MINIMUM AND 1.530 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.6954 INCHES MINIMUM AND 1.6983 INCHES MAXIMUM | | OVERALL THICKNESS | 0.039 INCHES MINIMUM AND 0.041 INCHES MAXIMUM | | MATERIAL | STEEL CORROSION RESISTING |
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