The Valve Assembly,pressure Regulati, cataloged under National Stock Number 4820-01-309-9828, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Fairbanks Morse, Llc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-309-9828 |
| Primary Part Number | 2280042 |
| Item Name | Valve Assembly,pressure Regulati |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Fairbanks Morse, Llc |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF 1 EA. BACK PRESSURE REGULATOR AND 1 EA. PRESSURE PILOT VALVE; PRESSURE RANGE 5 TO 125 P.S.I.G; REGULATOR CONNECTION SIZE 2 IN. NPT; PILOT VALVE CONNECTION SIZE 1/4 IN. NPT; O/A HEIGHT 11.440 IN.; O/A WIDTH 10.880 IN. IN |
| 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 |
|---|---|
| 2280042 PRIMARY | Fairbanks Morse, Llc (USA) |
| Reference | Meaning |
|---|---|
| 2280042 | 3/9 Design control — primary reference Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco |
| 12500124-3 | 5/9 Secondary reference Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco |
NSN 4820-01-309-9828 is a Valve Assembly,pressure Regulati, manufactured by Fairbanks Morse, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-309-9828 has 1 manufacturer part number on file: 2280042 (Fairbanks Morse, Llc).
Key specifications for 2280042: General Characteristics Item Description: CONSISTS OF 1 EA. BACK PRESSURE REGULATOR AND 1 EA. PRESSURE PILOT VALVE; PRESSURE RANGE 5 TO 125 P.S.I.G; REGULATOR CONNECTION SIZE 2 IN. NPT; PILOT VALVE CONNECTION SIZE 1/4 IN. NPT; O/A HEIGHT 11.440 IN.; O/A WIDTH 10.880 IN. IN; End Item Identification: MAIN PROPULSION DIESEL ENGINES,ALCO MODEL 251 ONBOARD 270 FT COAST GUARD VESSELS FT. 1 specification is 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.