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National Stock Number:
5365-00-003-9632
Federal Supply Class:
5365
National Item Identification Number:
000039632
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:
| 412R891H01 | 97942 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| INSIDE DIAMETER | 4.7505 INCHES MINIMUM AND 4.7515 INCHES MAXIMUM | | OUTSIDE DIAMETER | 5.060 INCHES NOMINAL | | OVERALL THICKNESS | 0.700 INCHES NOMINAL | | SPECIAL FEATURES | MATERIAL IS HEAT TREATED 17-4-PH TO 145.000 PSI TS PER MIL-H-6875 (PS83020 VA PROCEDURE C). ONE INSIDE CORNER IS CHAMFERED AND HAS A DEPTH OF 0.020 TO 0.025 IN. |
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