The Stem,fluid Valve, cataloged under National Stock Number 4820-01-407-1926, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-407-1926 |
| Primary Part Number | ASHF1005 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Largest Outside Diameter | 0.748 INCHES NOMINAL IN |
| Stem Actuating End Type | THREADED INTERNALLY |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| ASHF1005 | Naval Sea Systems Command (USA) |
| 33-ASHF1005 | Rix Industries (USA) |
| ASHF1005 | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
| Reference | Meaning |
|---|---|
| ASHF1005 | 3/9 Design control — primary reference Siemens Energy, Inc. Dba Dresser-Rand |
| ASHF1005 | 5/9 Secondary reference Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions |
| ASHF1005 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-407-1926 is a Stem,fluid Valve, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-407-1926 has 3 manufacturer part numbers on file: ASHF1005 (Naval Sea Systems Command), 33-ASHF1005 (Rix Industries), ASHF1005 (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions).
Key specifications for ASHF1005: Largest Outside Diameter: 0.748 INCHES NOMINAL IN; Stem Actuating End Type: THREADED INTERNALLY; Overall Length: 2.160 INCHES NOMINAL IN; Special Features: FOR COMPRESSOR. 3 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.