National Item Identification Number
00-388-1321
003881321
4820-00-388-1321
4820-00-388-1321
National Stock Number
Item Name
SEAT,VALVE
Federal Supply Class
4820
Description
A replaceable item designed to provide a circular 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.
Commercial and Government Entity Code (Supplier Data)
79500
79500
79500
79500
90099
NORTHROP GRUMMAN SYSTEMS CORPORATION
DBA NORTHROP GRUMMAN MARINE SYSTEMS
401 E HENDY AVE MS 33-3
SUNNYVALE
CA
94086
408-735-4188
Reference Numbers (Part Numbers)
H3107379PC25
1504440
905J632PC24
95-J-575-25
95J563PC206
95J575PC25
95J575
Required Categories
STYLE DESIGNATOR
FLANGE DIAMETER
BODY OUTSIDE DIAMETER
FLANGE SEAT TO DISK EN
Required Description
B7 PLAIN FLANGED
2.001 INCHES MINIMUM AND
2.003 INCHES MAXIMUM
1.443 INCHES M