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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:
| OVERALL THICKNESS | 0.310 INCHES NOMINAL | | INSIDE DIAMETER | 3.515 INCHES NOMINAL | | OUTSIDE DIAMETER | 4.000 INCHES NOMINAL | | MATERIAL | STEEL COMP 630 | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643,COMP 17-4PH ASSN STD SINGLE MATERIAL RESPONSE | | HARDNESS RATING | 31.0 ROCKWELL C MINIMUM AND | | 32.0 ROCKWELL C MAXIMUM | | SURFACE FINISH | 125.0 MICROINCHES LARGEST OUTSIDE DIAMETER | | 125.0 MICROINCHES LEFT SIDE | | 125.0 MICROINCHES RIGHT SIDE | | 125.0 MICROINCHES BORE | | FSC APPLICATION DATA | STRUT ASSEMBLY,NOSE LANDING GEAR,AIRCRAFT | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 98897 | | DESIGN CONTROL REFERENCE | 4G53711-101A |
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