The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-197-3718, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-197-3718 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flow Control Device | STEM AND INTEGRAL DISK |
| Material Document and Classification | MIL-S-15083, GRADE B MIL SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED |
| Material Document and Classification | MIL-S-890, CLASS C MIL SPEC SINGLE MATERIAL RESPONSE SEAT |
| Material | STEEL COMP 440C STEM |
| Material | STEEL CORROSION RESISTING SEAT |
| Material | STEEL COMP 440C FLOW CONTROL DEVICE |
| Media for Which Designed | STEAM |
| 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 |
| Reference | Meaning |
|---|---|
| 22AND5201 | 5/9 Secondary reference U.S. Government activity |
| 916005 | 3/9 Design control — primary reference Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand |
| ND-5201 | D/9 Drawing number reference only U.S. Government activity |
| NH-7394 PIECE 22A | 5/9 Secondary reference U.S. Government activity |
| 916005 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| 22A/ND5201 | 5/9 Secondary reference Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand |
| NH-7394 | D/9 Drawing number reference only U.S. Government activity |
NSN 4820-01-197-3718 is a Valve,regulating,fluid Pressure, classified under FSC 4820, Valves, Nonpowered. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6750-01-427-7005. Verify interchangeability with system specifications before substitution.
Key specifications for 4820-01-197-3718: Flow Control Device: STEM AND INTEGRAL DISK; Material Document and Classification: MIL-S-15083, GRADE B MIL SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED; Material Document and Classification: MIL-S-890, CLASS C MIL SPEC SINGLE MATERIAL RESPONSE SEAT; Material: STEEL COMP 440C STEM. 9 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.