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National Stock Number:
5365-01-287-9879
Federal Supply Class:
5365
National Item Identification Number:
012879879
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:
| 1D22958H01 | 48306 | NORTHROP GRUMMAN SUPPORT SERVICES CORP | | 1D22958H01 | 97942 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| INSIDE DIAMETER | 16.230 INCHES MINIMUM AND 16.270 INCHES MAXIMUM | | OUTSIDE DIAMETER | 21.790 INCHES MINIMUM AND 21.830 INCHES MAXIMUM | | OVERALL THICKNESS | 0.690 INCHES MINIMUM AND 0.700 INCHES MAXIMUM | | MATERIAL | STEEL | | SPECIAL FEATURES | HAS FLANGE AROUND DIA. OF SPACER 1.448 IN. WIDE W/32 BOLT HOLES EQUALLY SPACED; DIA. OF BOLT HOLES-0.217 IN. MIN. AND 0.223 IN. MAX. W/COUNTERBORE DIA.-0.560 IN. MIN. AND 0.580 IN. MAX. AND 0.290 IN. DEEP | | SURFACE TREATMENT | CADMIUM |
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