The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-685-1329, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Swagelok Co. Government technical data includes 15 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-685-1329 |
| Primary Part Number | SS-43YF2-131-SR |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Swagelok Co |
| Status | ACTIVE |
| Flow Control Device | BALL |
| Body Style | STRAIGHT THRU |
| Regulation Type | MANUAL |
| Temp Rating | 60.0 CELSIUS MAXIMUM DEGC |
| End Connection Quantity | 2 |
| Valve Size | 0.25 INCHES IN |
| Manual Control Method | LEVER |
| Valve Loading Method | ACTUATOR |
| Mounting Facility | INTERNAL THREAD |
| Material | STEEL BODY |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE PACKING |
| Material | STEEL STEM |
| Media for Which Designed | AIR AND WATER |
| Maximum Inlet Pressure Rating | ERR-060 |
| Filter | NOT INCLUDED |
| 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 |
|---|---|
| SS-43YF2-131-SR PRIMARY | Swagelok Co (USA) |
NSN 4820-01-685-1329 is a Valve,regulating,fluid Pressure, manufactured by Swagelok Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-685-1329 has 1 manufacturer part number on file: SS-43YF2-131-SR (Swagelok Co).
Key specifications for SS-43YF2-131-SR: Flow Control Device: BALL; Body Style: STRAIGHT THRU; Regulation Type: MANUAL; Temp Rating: 60.0 CELSIUS MAXIMUM DEGC. 15 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.