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National Stock Number:
5365-01-225-1617
Federal Supply Class:
5365
National Item Identification Number:
012251617
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:
| 782126-7 | 73030 | HAMILTON SUNDSTRAND CORPORATION |
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Techincal Specification:
| HARDNESS RATING | 75.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 79.5 ROCKWELL SUPERFICIAL 15-N MAXIMUM | | INSIDE DIAMETER | 3.498 INCHES MINIMUM AND 3.502 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5504 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5612 ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL COMP 410 | | PROPRIETARY CHARACTERISTICS | PACS | | OUTSIDE DIAMETER | 3.932 INCHES MINIMUM AND 3.936 INCHES MAXIMUM | | OVERALL THICKNESS | 0.0295 INCHES MINIMUM AND 0.0305 INCHES MAXIMUM |
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