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National Stock Number:
5365-01-253-0851
Federal Supply Class:
5365
National Item Identification Number:
012530851
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:
| 8987832-1 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | 8987833 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | 8987833CP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | ZZZY | | INSIDE DIAMETER | 1.313 INCHES NOMINAL | | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE | | OUTSIDE DIAMETER | 1.750 INCHES NOMINAL | | OVERALL THICKNESS | 0.120 INCHES NOMINAL | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
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