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National Stock Number:
5365-01-257-1822
Federal Supply Class:
5365
National Item Identification Number:
012571822
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:
| 820-5786855 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| OUTSIDE DIAMETER | 8.188 INCHES NOMINAL | | MATERIAL | STEEL COMP 304 | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-23195,COND C MIL SPEC SINGLE MATERIAL RESPONSE | | SURFACE FINISH | 32.0 MICROINCHES LEFT SIDE | | 32.0 MICROINCHES RIGHT SIDE | | SPECIAL FEATURES | CHROMIUM PLATE .0004-.0006 THK IN ACCORDANCE WITH MIL-C-23422 | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS | | CRITICALITY CODE JUSTIFICATION | ZZZY | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 53711 | | DESIGN CONTROL REFERENCE | 820-5786855 |
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