National Item Identification Number
01-081-7521
010817521
4820-01-081-7521
4820-01-081-7521
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)
04577
1W506
CARLETON TECHNOLOGIES INC
DIV TAMPA FACILITY
3018 N US HIGHWAY 301 STE 800
TAMPA
FL
33619
813-623-3711
52032
BIOMARINE NTRON INCORPORATED
DBA BIOMARINE INCORPORATED
456 CREAMERY WAY
EXTON
PA
19341
610-524-8800
03950
NAVAL INVENTORY CONTROL POINT
MECHANICSBURG
5450 CARLISLE PIKE
2020
MECHANICSBURG
PA
17055
717-605-3500
70292
HARSCO CORP
SHERWOOD DIV
2111 LIBERTY DR
NIAGARA FALLS
NY
14304
716-283-1010
03950
NAVAL INVENTORY CONTROL POINT
MECHANICSBURG
5450 CARLISLE PIKE
2020
MECHANICSBURG
PA
17055
717-605-3500
Reference Numbers (Part Numbers)
300-528P16
300-528P16
300-528P16
300-528P16CP
3506-9K
3506-9KCP
Required Categories
HARDNESS RATING
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS
CRITICALITY C
Required Description
NOT RATED
CLEANED IN ACCORDANCE WITH MIL-P-52211
ZZZY
52032
300-528P16