The Valve,safety Relief, cataloged under National Stock Number 4820-01-408-8347, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Swagelok Co. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-408-8347 |
| Primary Part Number | SS-6R3A-MM-C |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Swagelok Co |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| Minimum Operating Temp | -18.0 CELSIUS DEGC |
| Adjustable Pressure Range | +3.4 TO 413.0 BAR |
| Material | STEEL CORROSION RESISTING BODY |
| 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 |
|---|---|
| 07674 | Pall Gmbh (DEU) |
| SS-6R3A-MM-C PRIMARY | Swagelok Co (USA) |
| SS-6R3A-MM-C | South London Valve & Fitting Company Ltd T/a Swagelok London (GBR) |
| W07674 | Pall France Sa Division Pall Aerospace (FRA) |
| Reference | Meaning |
|---|---|
| SS-6R3A-MM-C | 5/9 Secondary reference Nupro Co |
| 07674 | 5/9 Secondary reference Pall Wassertechnik Gmbh |
NSN 4820-01-408-8347 is a Valve,safety Relief, manufactured by Swagelok Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-408-8347 has 4 manufacturer part numbers on file: 07674 (Pall Gmbh), SS-6R3A-MM-C (Swagelok Co), SS-6R3A-MM-C (South London Valve & Fitting Company Ltd T/a Swagelok London), W07674 (Pall France Sa Division Pall Aerospace).
Key specifications for SS-6R3A-MM-C: Flow Control Device: POPPET; Minimum Operating Temp: -18.0 CELSIUS DEGC; Adjustable Pressure Range: +3.4 TO 413.0 BAR; Material: STEEL CORROSION RESISTING BODY. 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.