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National Stock Number:
5365-01-272-4972
Federal Supply Class:
5365
National Item Identification Number:
012724972
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:
| 2640-390X2 PIECE 6 | 96169 | ELECTRIC BOAT CORPORATION | | 845-2050957 PIECE 6 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | SS845-2050957 PIECE 6 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| INSIDE DIAMETER | 5.438 INCHES NOMINAL | | OUTSIDE DIAMETER | 6.493 INCHES MINIMUM AND 6.496 INCHES MAXIMUM | | OVERALL THICKNESS | 1.594 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-B-22480 MIL SPEC ALL MATERIAL RESPONSES | | MATERIAL | COPPER ALLOY 957 OR COPPER ALLOY 958 | | SPECIAL FEATURES | ID TAPERED BY 15.0 DEG |
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