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National Stock Number:
5365-00-135-7860
Federal Supply Class:
5365
National Item Identification Number:
001357860
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:
| 4G53651-101A | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | FEAT | | FSC APPLICATION DATA | LANDING GEAR,RETRACTABLE | | INSIDE DIAMETER | 6.770 INCHES NOMINAL | | OUTSIDE DIAMETER | 7.580 INCHES NOMINAL | | OVERALL THICKNESS | 0.125 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5059,COND 1/2H MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL COMP 301 | | SPECIAL FEATURES | ITEM IS CRITICAL TO THE FUNCTION OF THE C-5 LANDING GEAR. ALL SPECIFICATIONS, DIMENSIONS AND TOLERANCES PERTAINING TO THIS ITEM MUST BE MET TO ENSURE PROPER FUNCTION OF THIS ITEM AND THE LANDING GEAR | | 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 |
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