The Valve,safety Relief, cataloged under National Stock Number 4820-01-179-9834, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is King Nutronics Corporation Dba King Nutronics. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-179-9834 |
| Primary Part Number | 3460-150-2000 PSI |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | King Nutronics Corporation Dba King Nutronics |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Connection Type | THREADED EXTERNAL PIPE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.125 INCHES ALL ENDS IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | NPT ALL ENDS |
| Opening Pressure Setting | 2000.0 POUNDS PER SQUARE INCH LBS |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| 3460-150-2000 PSI PRIMARY | King Nutronics Corporation Dba King Nutronics (USA) |
| Reference | Meaning |
|---|---|
| 3460-150 | D/9 Drawing number reference only King Nutronics Corporation Dba King Nutronics |
| 3460-150-2000 | C/1 Advisory reference — outside the item-of-supply concept King Nutronics Corporation Dba King Nutronics |
NSN 4820-01-179-9834 is a Valve,safety Relief, manufactured by King Nutronics Corporation Dba King Nutronics, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-179-9834 has 1 manufacturer part number on file: 3460-150-2000 PSI (King Nutronics Corporation Dba King Nutronics).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-397-5725, 3920-01-682-8964. Verify interchangeability with system specifications before substitution.
Key specifications for 3460-150-2000 PSI: Flow Control Device: POPPET; Connection Style: PLAIN (PIPE) ALL ENDS; Connection Type: THREADED EXTERNAL PIPE ALL ENDS; Style Designator: STRAIGHT THRU. 10 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.