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National Stock Number:
5365-01-237-3213
Federal Supply Class:
5365
National Item Identification Number:
012373213
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:
| 5003453 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| INSIDE DIAMETER | 2.195 INCHES MINIMUM AND 2.245 INCHES MAXIMUM | | OUTSIDE DIAMETER | 2.750 INCHES NOMINAL | | OVERALL THICKNESS | 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM | | MATERIAL | STEEL COMP 303 | | SPECIAL FEATURES | 3 EQUALLY SPACED HOLES 0.112 IN. DIA COUNTERSUNK TO 0.125 IN. NOM DIA BY 90.0 DEG | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE | | SURFACE TREATMENT | PASSIVATE |
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