National Item Identification Number
00-250-1774
002501774
4820-00-250-1774
4820-00-250-1774
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)
04537
ATWOOD & MORRILL CO. INC.
DBA WEIR VALVES AND CONTROLS USA
285 CANAL ST
SALEM
MA
01970
978-744-5690
04537
ATWOOD & MORRILL CO. INC.
DBA WEIR VALVES AND CONTROLS USA
285 CANAL ST
SALEM
MA
01970
978-744-5690
Reference Numbers (Part Numbers)
4671FPC4
4671F4
Required Categories
OVERALL HEIGHT
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
HARDNESS RATING;
Required Description
2.250 INCHES NOMINAL
STEEL BODY
COBALT ALLOY SEAT
MIL-S-867,CLASS 1 MIL SPEC