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National Stock Number:
5365-01-013-0700
Federal Supply Class:
5365
National Item Identification Number:
010130700
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:
| 19087-1 | 02121 | GOODRICH AEROSPACE CANADA LTD. | | 19087-1 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | FEAT | | HARDNESS RATING | 39.8 ROCKWELL C MINIMUM AND 42.8 ROCKWELL C MAXIMUM | | INSIDE DIAMETER | 3.510 INCHES MINIMUM AND 3.520 INCHES MAXIMUM | | OUTSIDE DIAMETER | 3.820 INCHES NOMINAL | | OVERALL THICKNESS | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000,COND E MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL COMP E4340 | | SPECIAL FEATURES | THIS ITEM IS CRITICAL TO APPLICATION (A-10 LANDING GEAR COMPONENT) AND IS ESSENTIAL TO WEAPON SYSTEM PERFORMANCE AND OPERATION |
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