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National Stock Number:
5365-01-175-0684
Federal Supply Class:
5365
National Item Identification Number:
011750684
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:
| 3155579 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| INSIDE DIAMETER | 2.578 INCHES NOMINAL | | OUTSIDE DIAMETER | 3.000 INCHES NOMINAL | | OVERALL THICKNESS | 0.320 INCHES MINIMUM AND 0.325 INCHES MAXIMUM | | MATERIAL | STEEL COMP 1015 | | SPECIAL FEATURES | ID CHAMFER 0.031 IN X45 DEG BOTH SIDES; MATL ASSN SPEC SAE 1015 | | SURFACE FINISH | 32.0 MICROINCHES LEFT SIDE | | SURFACE FINISH | 32.0 MICROINCHES RIGHT SIDE |
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