The Valve,safety Relief, cataloged under National Stock Number 4820-01-590-7307, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is South-Tek Systems, Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-590-7307 |
| Primary Part Number | 124-135 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | South-Tek Systems, 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 |
|---|---|
| 124-135 PRIMARY | South-Tek Systems, Llc (USA) |
| NAP100-N01 | Smc Corporation of America (USA) |
NSN 4820-01-590-7307 is a Valve,safety Relief, manufactured by South-Tek Systems, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-590-7307 has 2 manufacturer part numbers on file: 124-135 (South-Tek Systems, Llc), NAP100-N01 (Smc Corporation of America).
Key specifications for 124-135: Special Features: PRESSURE RELIEF SYSTEM SUB-ASSEMBLY, 800-510; Part Name Assigned by Controlling Agency: VALVE, PRESSURE RELIEF; End Item Identification: 3655-01-556-1083; GENERATOR, OXYGEN-NITROGEN. 0 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.