NSN 5365-01-257-3442

Part Details | RING SPACER

5365-01-257-3442 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.

Alternate Parts: 140009C143S191, 140-009C143S191, 5365-01-257-3442, 01-257-3442, 5365012573442, 012573442

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JUN 17, 198701-257-344224307 ( SPACER, RING )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 5365-01-257-3442
Part Number Cage Code Manufacturer
140-009C143S19197499BELL HELICOPTER TEXTRON INC.DBA BELL HELICOPTER
Technical Data | NSN 5365-01-257-3442
Characteristic Specifications
MATERIAL STEEL COMP 302
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059,COND 1 TO 4 H MIL SPEC SINGLE MATERIAL RESPONSE
OVERALL THICKNESS0.030 INCHES MINIMUM AND 0.050 INCHES MAXIMUM
INSIDE DIAMETER2.224 INCHES MINIMUM AND 2.244 INCHES MAXIMUM
OUTSIDE DIAMETER2.974 INCHES MINIMUM AND 2.994 INCHES MAXIMUM