The Seat,valve, cataloged under National Stock Number 4820-01-199-5724, 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 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-199-5724 |
| Primary Part Number | 87G-0023V-0020 |
| 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 | 7.625 INCHES NOMINAL IN |
| Body Outside Diameter | 6.752 INCHES NOMINAL IN |
| Style Designator | PLAIN FLANGED |
| Body Inside Diameter | 5.250 INCHES NOMINAL IN |
| Seat Radius | 0.094 INCHES NOMINAL IN |
| Under Flange Height | 1.000 INCHES NOMINAL IN |
| Material | STEEL COMP 410 OVERALL |
| Seating Surface Shape | RADIAL |
| 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 |
|---|---|
| 87G-0023V-0020 PRIMARY | Ametek Inc Schutte and Koerting Div (USA) |
| 62XA1 PIECE 2 | Ametek Inc Schutte and Koerting Div (USA) |
| Reference | Meaning |
|---|---|
| 62XA1 | D/9 Drawing number reference only Ametek Inc Schutte and Koerting Div |
NSN 4820-01-199-5724 is a Seat,valve, manufactured by Ametek Inc Schutte and Koerting Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-199-5724 has 2 manufacturer part numbers on file: 87G-0023V-0020 (Ametek Inc Schutte and Koerting Div), 62XA1 PIECE 2 (Ametek Inc Schutte and Koerting Div).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-199-5863. Verify interchangeability with system specifications before substitution.
Key specifications for 87G-0023V-0020: Flange Seat to Disk End Height: 0.750 INCHES NOMINAL IN; Flange Diameter: 7.625 INCHES NOMINAL IN; Body Outside Diameter: 6.752 INCHES NOMINAL IN; Style Designator: PLAIN FLANGED. 9 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.