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National Stock Number:
5365-00-450-7775
Federal Supply Class:
5365
National Item Identification Number:
004507775
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:
| 446175P11 | 77445 | RTX CORPORATION |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | FEAT | | HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM | | INSIDE DIAMETER | 0.628 INCHES MINIMUM AND 0.629 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.824 INCHES MINIMUM AND 0.825 INCHES MAXIMUM | | OVERALL THICKNESS | 0.160 INCHES MINIMUM AND 0.170 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5613 ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL COMP 410 | | SPECIAL FEATURES | FAILURE COULD RESULT IN LOSS OR SUBSTANTIAL DAMAGE TO WEAPON SYSTEM, DEATH OR SERIOUS INJURY. | | SURFACE FINISH | 63.0 MICROINCHES OVERALL |
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