The Seat,valve, cataloged under National Stock Number 4820-01-283-8529, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Fairbanks Morse, Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Seat,valve |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Fairbanks Morse, Llc (CAGE 7PZX0) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-283-8529 |
| Primary Part Number | T426672 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Fairbanks Morse, Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| T107023 PIECE 2 | Fairbanks Morse, Llc (USA) |
| T426672 PRIMARY | Fairbanks Morse, Llc (USA) |
| Reference | Meaning |
|---|---|
| T426672 | 3/9 Design control — primary reference U.S. Government activity |
| T107023 PIECE 2 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-283-8529 is a Seat,valve, manufactured by Fairbanks Morse, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-283-8529 has 2 manufacturer part numbers on file: T107023 PIECE 2 (Fairbanks Morse, Llc), T426672 (Fairbanks Morse, Llc).
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.