The Valve,safety Relief, cataloged under National Stock Number 4820-01-351-2937, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Palfinger Marine Usa, Llc. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-351-2937 |
| Primary Part Number | 70-1723-100 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Palfinger Marine Usa, Llc |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Disk Loading Method | SPRING |
| Material | PLASTIC POLYPROPYLENE AND STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| 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 |
|---|---|
| 70-1723-100 PRIMARY | Palfinger Marine Usa, Llc (USA) |
| Reference | Meaning |
|---|---|
| 70-1723-100 | 5/9 Secondary reference Watercraft America Inc |
NSN 4820-01-351-2937 is a Valve,safety Relief, manufactured by Palfinger Marine Usa, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-351-2937 has 1 manufacturer part number on file: 70-1723-100 (Palfinger Marine Usa, Llc).
Key specifications for 70-1723-100: Flow Control Device: DISK; Disk Loading Method: SPRING; Special Features: VALVE SIZE 2.000 IN.; TWIN DISK IN; Material: PLASTIC POLYPROPYLENE AND STEEL CORROSION RESISTING FLOW CONTROL DEVICE. 4 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.