The Stem,fluid Valve, cataloged under National Stock Number 4820-00-336-5398, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-00-336-5398 |
| Primary Part Number | TF2 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| BS1194PC188 | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| TF2 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| Reference | Meaning |
|---|---|
| DD445S4700-53ALT4PC188 | 5/9 Secondary reference Naval Sea Systems Command |
| BS1195PC188 | 5/9 Secondary reference Circor Naval Solutions Llc Dba Warren Pumps |
| DD692S4700-9PC188 | 5/9 Secondary reference Naval Sea Systems Command |
| DD445S4700-52ALT4PC188 | 5/9 Secondary reference Naval Sea Systems Command |
| DD692S4700-9PC188 | 5/9 Secondary reference U.S. Government activity |
| DD692S4700-8PC188 | 5/9 Secondary reference Naval Sea Systems Command |
| DD692S4700-8PC188 | 5/9 Secondary reference U.S. Government activity |
| DD445S4700-53ALT4PC188 | 5/9 Secondary reference U.S. Government activity |
| DD445S4700-52ALT4PC188 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-00-336-5398 is a Stem,fluid Valve, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-336-5398 has 2 manufacturer part numbers on file: BS1194PC188 (Circor Naval Solutions Llc Dba Warren Pumps), TF2 (Circor Naval Solutions Llc Dba Warren Pumps).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-359-5280. Verify interchangeability with system specifications before substitution.
Key specifications for TF2: Overall Length: 4.656 INCHES NOMINAL IN; Material: COPPER ALLOY. 1 specification is 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.