NATO Stock Number
4820-01-502-6869
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
2a single threaded portion
Thread Length
2.740 inches single threaded portion
Overall Height
3.120 inches
Taper Length
0.310 inches
Taper Minor Diameter
4.000 inches
Body Inside Diameter
4.000 inches
End Application
4 inch relief valve type 1771-t
Seat Radius
2.000 inches
Seat Angle In Deg
Between 45.000 and 60.000
Thready Qty Per Inch (tpi)
14 single threaded portion
Thread Size
4.812 inches single threaded portion
Seating Surface Shape
Angular
Material
Steel comp 316 seat
Material Specification
Astm a351 gr cf8m assn standard single material response seat
Style Designator
Plain threaded
Thread Series Designator
Uns single threaded portion
Reference Number Differentiating Characteristics
Asdifferentiated by: part requires special material control and quality assurance, which support the non-magnetic signature of minesweepers.