The Stem,fluid Valve, cataloged under National Stock Number 4820-01-459-5684, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Twc the Valve Company, L.l.c.. Government technical data includes 4 specifications, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 4820-01-459-5684 |
| Primary Part Number | 12211-108-1-1 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Twc the Valve Company, L.l.c. |
| Status | ACTIVE |
| Valve Type for Which Designed | GATE |
| Stem Actuating End Type | THREADED EXTERNALLY |
| Valve Size for Which Designed | 3.000 INCHES IN |
| Material | NICKEL 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 |
|---|---|
| N-12183-3 3IN PC 6 | Twc the Valve Company, L.l.c. (USA) |
| 12211-108-1-1 PRIMARY | Twc the Valve Company, L.l.c. (USA) |
| Reference | Meaning |
|---|---|
| N-12183-3 | D/9 Drawing number reference only The Walworth Company |
| 12211-108-1-1 | 5/9 Secondary reference The Walworth Company |
| N-12183-3 3IN PC 6 | 5/9 Secondary reference The Walworth Company |
NSN 4820-01-459-5684 is a Stem,fluid Valve, manufactured by Twc the Valve Company, L.l.c., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-459-5684 has 2 manufacturer part numbers on file: N-12183-3 3IN PC 6 (Twc the Valve Company, L.l.c.), 12211-108-1-1 (Twc the Valve Company, L.l.c.).
2 possible matches (shared part number, not a government interchangeability claim): 4810-01-464-8101, 4820-01-563-9561. Verify interchangeability with system specifications before substitution.
Key specifications for 12211-108-1-1: Valve Type for Which Designed: GATE; Stem Actuating End Type: THREADED EXTERNALLY; Valve Size for Which Designed: 3.000 INCHES IN; Special Features: NEXT HIGHER ASSY VALVE,GATE 3 CAGE 63686. 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.