The Stem,fluid Valve, cataloged under National Stock Number 4810-01-181-8543, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-181-8543 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Status | ACTIVE |
| Valve Type for Which Designed | GLOBE |
| Largest Outside Diameter | 1.625 INCHES NOMINAL IN |
| Stem Actuating End Type | THREADED EXTERNALLY |
| Valve Size for Which Designed | 4.000 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 |
| Reference | Meaning |
|---|---|
| D9504 4325676 | D/9 Drawing number reference only U.S. Government activity |
| 2601-339 PIECE 8 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 504-4325676 PIECE 8 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4810-01-181-8543 is a Stem,fluid Valve, classified under FSC 4810, Valves, Powered. Status: active.
Key specifications for 4810-01-181-8543: Valve Type for Which Designed: GLOBE; Largest Outside Diameter: 1.625 INCHES NOMINAL IN; Stem Actuating End Type: THREADED EXTERNALLY; Overall Length: 14.500 INCHES NOMINAL IN. 5 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.