The Seat,valve, cataloged under National Stock Number 4820-01-124-3758, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Flowserve Us, Inc. Dba Automax Actuators Div Flow Control Division. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-124-3758 |
| Primary Part Number | 1119-5 PC4 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Flowserve Us, Inc. Dba Automax Actuators Div Flow Control Division |
| Status | ACTIVE |
| Style Designator | PLAIN THREADED |
| Body Inside Diameter | 32.000 INCHES NOMINAL IN |
| Material | NICKEL ALLOY K-500 SEAT |
| Seat Angle in Deg | 45.000 NOMINAL |
| 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 |
|---|---|
| 1119-5 PC4 PRIMARY | Flowserve Us, Inc. Dba Automax Actuators Div Flow Control Division (USA) |
| Reference | Meaning |
|---|---|
| 1119-5A4 | 5/9 Secondary reference U.S. Government activity |
| 1119-5D | D/9 Drawing number reference only U.S. Government activity |
| 1119-51 | D/9 Drawing number reference only U.S. Government activity |
| 1119 | D/9 Drawing number reference only U.S. Government activity |
| 1119-5D PC4 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-124-3758 is a Seat,valve, manufactured by Flowserve Us, Inc. Dba Automax Actuators Div Flow Control Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-124-3758 has 1 manufacturer part number on file: 1119-5 PC4 (Flowserve Us, Inc. Dba Automax Actuators Div Flow Control Division).
1 possible match (shared part number, not a government interchangeability claim): 2840-01-519-0759. Verify interchangeability with system specifications before substitution.
Key specifications for 1119-5 PC4: Overall Height: 1.098 INCHES NOMINAL IN; Style Designator: PLAIN THREADED; Body Inside Diameter: 32.000 INCHES NOMINAL IN; Material: NICKEL ALLOY K-500 SEAT. 5 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.