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National Stock Number:
5365-00-135-5682
Federal Supply Class:
5365
National Item Identification Number:
001355682
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:
| 4G53711-101A | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| FSC APPLICATION DATA | STRUT ASSEMBLY,NOSE LANDING GEAR,AIRCRAFT | | HARDNESS RATING | 31.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM | | INSIDE DIAMETER | 3.515 INCHES NOMINAL | | OUTSIDE DIAMETER | 4.000 INCHES NOMINAL | | OVERALL THICKNESS | 0.310 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643,COMP 17-4PH ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL COMP 630 | | 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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