The Seat,valve, cataloged under National Stock Number 4820-00-336-9306, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Ametek Inc Schutte and Koerting Div. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-336-9306 |
| Primary Part Number | 57-G-0152V0020 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Ametek Inc Schutte and Koerting Div |
| Status | ACTIVE |
| Flange Seat to Disk End Height | 0.750 INCHES NOMINAL IN |
| Flange Diameter | 5.375 INCHES NOMINAL IN |
| Thread Length | 0.625 INCHES NOMINAL SINGLE THREADED PORTION IN |
| Style Designator | THREADED FLANGED |
| Body Inside Diameter | 1.000 INCHES NOMINAL IN |
| Nominal Thread Size | 4.000 INCHES SINGLE THREADED PORTION IN |
| Under Flange Height | 0.750 INCHES NOMINAL IN |
| Thread Class | 2A SINGLE THREADED PORTION A |
| Material | STEEL OVERALL |
| Seat Angle in Deg | 45.000 NOMINAL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE THREADED PORTION |
| Seating Surface Shape | ANGULAR |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 57-G-0152V0020 PRIMARY | Ametek Inc Schutte and Koerting Div (USA) |
| 55A15PC3 | Ametek Inc Schutte and Koerting Div (USA) |
NSN 4820-00-336-9306 is a Seat,valve, manufactured by Ametek Inc Schutte and Koerting Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-336-9306 has 2 manufacturer part numbers on file: 57-G-0152V0020 (Ametek Inc Schutte and Koerting Div), 55A15PC3 (Ametek Inc Schutte and Koerting Div).
Key specifications for 57-G-0152V0020: Flange Seat to Disk End Height: 0.750 INCHES NOMINAL IN; Flange Diameter: 5.375 INCHES NOMINAL IN; Thread Length: 0.625 INCHES NOMINAL SINGLE THREADED PORTION IN; Style Designator: THREADED FLANGED. 12 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.