The Stem,fluid Valve, cataloged under National Stock Number 4820-01-198-1194, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Siemens Energy, Inc.. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Siemens Energy, Inc. (CAGE 16712); Anderson Greenwood Lp Dba Anderson Greenwood Crosby (CAGE 01343); Circor Pumps North America Llc (CAGE 59180) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-198-1194 |
| Primary Part Number | B10248 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Siemens Energy, Inc. |
| 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 |
|---|---|
| B10248 PRIMARY | Siemens Energy, Inc. (USA) |
| B-10248 PRIMARY | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| SG-4529 GROUP 2 PIECE 167 | Circor Pumps North America Llc (USA) |
| SG-3106 PIECE 25 | Circor Pumps North America Llc (USA) |
| Reference | Meaning |
|---|---|
| SG-4529 GROUP 2 PIECE 167 | 5/9 Secondary reference Siemens Energy, Inc. |
| SG-4529 | D/9 Drawing number reference only Siemens Energy, Inc. |
| B-10248 | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
| SG-3106 | D/9 Drawing number reference only Siemens Energy, Inc. |
| SG-3106 PIECE 25 | 5/9 Secondary reference Siemens Energy, Inc. |
NSN 4820-01-198-1194 is a Stem,fluid Valve, manufactured by Siemens Energy, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-198-1194 has 4 manufacturer part numbers on file: B10248 (Siemens Energy, Inc.), B-10248 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), SG-4529 GROUP 2 PIECE 167 (Circor Pumps North America Llc), SG-3106 PIECE 25 (Circor Pumps North America Llc).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-198-1245, 5340-01-222-7815. Verify interchangeability with system specifications before substitution.
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.