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National Stock Number:
5365-00-812-1525
Federal Supply Class:
5365
National Item Identification Number:
008121525
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:
| 554A003564 | 03956 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 860157-28 | 06481 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 860157-28 | 13973 | LITTON SYSTEMS INC. DIV NAVIGATION SYSTEMS DIVISION | | 9195488-5 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | B3-10 | 00141 | ROLLER BEARING CO OF AMERICA, INC | | DB3D10 | 29964 | ALLIED DEVICES CORP DBA ABSOLUTE PRECISION CO | | G78-10 | 14519 | DESIGNATRONICS INC |
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Techincal Specification:
| INSIDE DIAMETER | 0.378 INCHES MINIMUM AND 0.383 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.493 INCHES MINIMUM AND 0.498 INCHES MAXIMUM | | OVERALL THICKNESS | 0.019 INCHES MINIMUM AND 0.021 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,COND B FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL COMP 303 | | SURFACE TREATMENT | PASSIVATE |
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