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National Stock Number:
5365-01-213-4684
Federal Supply Class:
5365
National Item Identification Number:
012134684
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:
| 5612-52-31 | 86928 | SEASTROM MANUFACTURING CO INC | | 7688-50010-002 | 14170 | HUGHES MISSILE SYSTEMS CO SAN DIEGO | | 7688-50010-002 | 15090 | RAYTHEON COMPANY |
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Techincal Specification:
| INSIDE DIAMETER | 0.557 INCHES MINIMUM AND 0.567 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM | | OVERALL THICKNESS | 0.031 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 3651 ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE |
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