NSN 4820-00-040-8486

Part Details | VALVE SEAT

4820-00-040-8486 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: F2009170PIECE 4Q3, F20-09170PIECE 4Q3, 1018054Q3, 101-8054Q3, V3432DLRNQ3, 1018054, 101-8054, F2009170PIECE 4, F20-09170PIECE 4, V3432DLRN, 4820-00-040-8486, 00-040-8486, 4820000408486, 000408486

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48NOV 13, 197200-040-848622113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

PLAIN

Cross Reference | NSN 4820-00-040-8486
Part Number Cage Code Manufacturer
F20-09170PIECE 4Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
101-8054Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
V3432DLRNQ303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
101-805453154PORTLAND VALVE LLC
F20-09170PIECE 403670TYCO FIRE PRODUCTS LPDBA TYCO FIRE PROTECTION PRODUCTS
V3432DLRN03670TYCO FIRE PRODUCTS LPDBA TYCO FIRE PROTECTION PRODUCTS
Technical Data | NSN 4820-00-040-8486
Characteristic Specifications
STYLE DESIGNATOR PLAIN
OVERALL HEIGHT0.265 INCHES MINIMUM AND 0.297 INCHES MAXIMUM
BODY OUTSIDE DIAMETER1.864 INCHES MINIMUM AND 1.874 INCHES MAXIMUM
BODY INSIDE DIAMETER1.245 INCHES MINIMUM AND 1.255 INCHES MAXIMUM
SEATING SURFACE SHAPE RADIAL
SEAT RADIUS0.125 INCHES NOMINAL
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSITEM THAT SUPPORTS A LEVEL 1 OR SUBSAFE CRITICAL SYSTEM THAT HAS UNDERGONE QUALITY ASSURANCE DURING THE ACQUISITION PROCESS
CRITICALITY CODE JUSTIFICATIONZZZY