The Valve,safety Relief, cataloged under National Stock Number 4820-01-498-7258, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Superior Controls Inc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-498-7258 |
| Primary Part Number | 3220-400-B14-215 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Superior Controls Inc |
| Status | ACTIVE |
| Opening Pressure Setting | 400.0 POUNDS PER SQUARE INCH LBS |
| 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 |
|---|---|
| 3220-400-B14-215 | Superior Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| 12549 | 3/9 Design control — primary reference Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems |
| 527E-400 | 5/9 Secondary reference Henry Technologies, Inc. |
| 12549 | C/1 Advisory reference — outside the item-of-supply concept Itw Gse Inc. |
NSN 4820-01-498-7258 is a Valve,safety Relief, manufactured by Superior Controls Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-498-7258 has 1 manufacturer part number on file: 3220-400-B14-215 (Superior Controls Inc).
3 possible matches (shared part number, not a government interchangeability claim): 2510-01-579-8006, 5315-01-628-5026, 6105-01-642-0860. Verify interchangeability with system specifications before substitution.
Key specifications for 3220-400-B14-215: Part Name Assigned by Controlling Agency: VALVE,RELIEF 400PSI; End Item Identification: F-22ACFT; Opening Pressure Setting: 400.0 POUNDS PER SQUARE INCH LBS. 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.