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National Stock Number:
5365-01-413-0808
Federal Supply Class:
5365
National Item Identification Number:
014130808
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:
| 845-6603141-180 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 845-6603144 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| INSIDE DIAMETER | 3.002 INCHES MINIMUM AND 3.006 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A434 ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL COMP 4140 | | OUTSIDE DIAMETER | 4.000 INCHES NOMINAL | | OVERALL THICKNESS | 0.249 INCHES MINIMUM AND 0.251 INCHES MAXIMUM | | SPECIAL FEATURES | INSIDE LEFT AND RIGHT CORNER IS CHAMFERED TO 0.045 INS LONG, ANGLE 45 DEGREES |
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