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National Stock Number:
5365-01-272-3996
Federal Supply Class:
5365
National Item Identification Number:
012723996
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:
| 148B3790PC2 | 04804 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 265R632PC28 | 24374 | BECHTEL TECHNICAL SERVICES INC MACHINERY APPARATUS OPN |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | ZZZY | | OUTSIDE DIAMETER | 3.975 INCHES NOMINAL | | OVERALL THICKNESS | 0.032 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
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