The Seat,valve, cataloged under National Stock Number 4820-01-230-1885, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-230-1885 |
| Primary Part Number | 209-1414502 PC 18 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc |
| Status | ACTIVE |
| Material Document and Classification | QQ-N-286,CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Material | NICKEL ALLOY OVERALL |
| 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 |
|---|---|
| 209-1414502 PC 18 | Davies Precision Machinery (USA) |
| 209-1414502 PC 18 PRIMARY | Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc (USA) |
| 209-1414502 PIECE 18 PRIMARY | William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA) |
| Reference | Meaning |
|---|---|
| 209-1414502 PIECE 18 | 5/2 Secondary reference U.S. Government activity |
| 209-1414502 PIECE 18 | 5/2 Secondary reference U.S. Government activity |
| 209-1414502 PIECE 18 | 5/9 Secondary reference P J Valves Inc |
| 209-1414502 | D/9 Drawing number reference only U.S. Government activity |
| 209-1414502 | D/9 Drawing number reference only U.S. Government activity |
NSN 4820-01-230-1885 is a Seat,valve, manufactured by Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-230-1885 has 3 manufacturer part numbers on file: 209-1414502 PC 18 (Davies Precision Machinery), 209-1414502 PC 18 (Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc), 209-1414502 PIECE 18 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation).
Key specifications for 209-1414502 PC 18: Material Document and Classification: QQ-N-286,CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Material: NICKEL ALLOY OVERALL. 2 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.