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National Stock Number:
5365-00-945-0238
Federal Supply Class:
5365
National Item Identification Number:
009450238
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:
| 009450238-04246 | 13873 | DLA AVIATION | | 369A1303 | 02731 | MCDONNELL DOUGLAS HELICOPTER CO INC | | HP8-5 | 02731 | MCDONNELL DOUGLAS HELICOPTER CO INC | | 369A1303 | 1KVX4 | MD HELICOPTERS INC | | 369A1303 | 81996 | U S ARMY AVIATION AND MISSILE COMMAND | | AA-STD-1 | 81996 | U S ARMY AVIATION AND MISSILE COMMAND | | HP8-5 | 8V613 | THE BOEING COMPANY |
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Techincal Specification:
| HARDNESS RATING | 31.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM | | INSIDE DIAMETER | 1.4996 INCHES MINIMUM AND 1.5001 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.750 INCHES MINIMUM AND 1.751 INCHES MAXIMUM | | MATERIAL | STEEL | | SURFACE FINISH | 125.0 MICROINCHES BORE | | SURFACE FINISH | 125.0 MICROINCHES LEFT SIDE | | SURFACE FINISH | 125.0 MICROINCHES LARGEST OUTSIDE DIAMETER | | SURFACE FINISH | 125.0 MICROINCHES RIGHT SIDE | | SURFACE TREATMENT | CADMIUM |
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