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National Stock Number:
5365-00-488-4154
Federal Supply Class:
5365
National Item Identification Number:
004884154
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:
| 4G23002-101A | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | AGAV AND AARX | | INSIDE DIAMETER | 7.255 INCHES MINIMUM AND 7.265 INCHES MAXIMUM | | OUTSIDE DIAMETER | 7.739 INCHES NOMINAL | | OVERALL THICKNESS | 0.630 INCHES MINIMUM AND 0.640 INCHES MAXIMUM | | MATERIAL | STEEL COMP 4340 | | SPECIAL FEATURES | CHAMFERED 20 DEGREES ON INSIDE DIA |
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