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National Stock Number:
5365-01-216-3311
Federal Supply Class:
5365
National Item Identification Number:
012163311
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:
| 8019044-019 | 58259 | BALLISTIC MISSILE OFFICE /AFSC/ |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | ADUM | | FSC APPLICATION DATA | THIRD GENERATION GYRO | | INSIDE DIAMETER | 1.794 INCHES MINIMUM AND 1.796 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.912 INCHES MINIMUM AND 1.914 INCHES MAXIMUM | | OVERALL THICKNESS | 0.02015 INCHES MINIMUM AND 0.02025 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582,COND A ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL | | SPECIAL FEATURES | CHAMFERED 4 PLACES 0.004-0.007 BY 43.0-47.0 DEG | | SURFACE FINISH | 32.0 MICROINCHES BORE | | SURFACE FINISH | 32.0 MICROINCHES LEFT SIDE | | SURFACE FINISH | 32.0 MICROINCHES LARGEST OUTSIDE DIAMETER | | SURFACE FINISH | 32.0 MICROINCHES RIGHT SIDE |
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