Valve Seat

Model / MPN: D21130PC4 | NSN: 4820-00-399-2939

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.

Product Details

NATO Stock Number

4820-00-399-2939

Sold in multiples of

1 EA

DEMIL

Thread Class

2a single threaded portion

Thread Length

0.188 inches single threaded portion

Flange Diameter

0.500 inches

Body Inside Diameter

Between 0.188 inches and 0.250 inches

Flange Seat To Disk End Height

0.125 inches

Under Flange Height

0.188 inches

Seat Angle In Deg

37.000

Hardness Rating

300.0 brinell standard

Thread Size

0.375 inches single threaded portion

Seating Surface Shape

Angular

Material

Steel

Style Designator

Threaded flanged

Thread Series Designator

Unf single threaded portion

Fsc Application Data

Steam trap valve

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Certified Quality Assurance

ISO 9001:2015 + AS9120B
Counterfeit Parts Prevention
100% Product Inspections
7 Year Record Retention
On Time Delivery
HAZMAT Certified
Worldwide Shipping

D21130PC4 Cross Reference

D20530PC4
D20520PC4
D20545PC4
D20560PC4
D20579PC4
D20581PC4
D20583PC4
D20643PC3
D20665PC3
D20668PC4
D20669PC4
D20671PC4
D20709PC4
D20722PC3
D20853PC3
D20854PC3
D20942PC4
D20943PC4
D20966PC4
D20967PC4
D20968PC4
D20976PC3
D21004PC4
D21006PC4
D21007PC4
D21093PC3
D21115PC3
D21118PC3
D21122PC4
D21123PC4
D21124PC4
D21127PC4
D20226PC3
D20232PC3
D20280PC3
D20310PC3
D20339PC3
D20343PC3
D20402PC3
D20418PC3
D20427PC3
D20437PC3
D20448PC4
D20457PC3
D20481PC3
D20498PC4
D20510PC4
D20511PC4
D20513PC4
D20518PC3
D21133PC3
D21136PC4
D21192PC4
D21215PC4
D21247PC4
D31343PC4
D31353PC4
YW100-160