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National Stock Number:
5365-01-125-3974
Federal Supply Class:
5365
National Item Identification Number:
011253974
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:
| 42312D288 | 82402 | TRIUMPH GEAR SYSTEMS INC |
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Techincal Specification:
| HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM | | INSIDE DIAMETER | 2.740 INCHES MINIMUM AND 2.770 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR SAE ASSN STD 2ND MATERIAL RESPONSE | | MATERIAL | STEEL COMP 4140 | | OUTSIDE DIAMETER | 3.136 INCHES MINIMUM AND 3.146 INCHES MAXIMUM | | OVERALL THICKNESS | 0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM | | SURFACE FINISH | 63.0 MICROINCHES OVERALL |
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