NSN 4820-01-131-3145

Part Details | VALVE SEAT

4820-01-131-3145 A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see INSERT, ENGINE VALVE SEAT.

Alternate Parts: 255369279 34, 2553-69-279 3-4, 255369279 12IN, 2553-69-279 1-2IN, 23399 ITEM 5, 23399, 4820-01-131-3145, 01-131-3145, 4820011313145, 011313145

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48MAY 07, 198201-131-314522113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

PLAIN FLANGED

Cross Reference | NSN 4820-01-131-3145
Part Number Cage Code Manufacturer
2553-69-279 3-457574VELAN VALVE CORPORATION
2553-69-279 1-2IN57574VELAN VALVE CORPORATION
23399 ITEM 557574VELAN VALVE CORPORATION
2339957574VELAN VALVE CORPORATION
Technical Data | NSN 4820-01-131-3145
Characteristic Specifications
STYLE DESIGNATOR PLAIN FLANGED
FLANGE DIAMETER0.719 INCHES NOMINAL
BODY OUTSIDE DIAMETER0.582 INCHES MINIMUM AND 0.587 INCHES MAXIMUM
BODY INSIDE DIAMETER0.505 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT0.341 INCHES MINIMUM AND 0.342 INCHES MAXIMUM
UNDER FLANGE HEIGHT0.238 INCHES NOMINAL
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG45.000 NOMINAL