The Valve,linear,directional Control, cataloged under National Stock Number 4810-01-488-5501, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 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 | 4810-01-488-5501 |
| Primary Part Number | 21809-001 |
| Item Name | Valve,linear,directional Control |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace |
| Status | ACTIVE |
| Phase | SINGLE |
| Frequency in Hertz | 0.0 AND 400.0 |
| Flange Face Design | RAISED |
| Voltage in Volts and Current Type | 87.0 AC AND 122.0 AC |
| Connection Type | FLANGE, RECTANGULAR W/HOLES AND FLANGE, ROUND W/O HOLES |
| End Connection Quantity | 4 |
| Features Provided | SIDE PORTED |
| Body Material | ALUMINUM ALLOY |
| Bolt Hole Quantity | 12 |
| Flange Diameter | 2.250 INCHES IN |
| Flange Width | 2.250 INCHES IN |
| Valve Discharge Flow Rate | 1.5 GALLONS PER MINUTE |
| Valve Operation Method | SOLENOID |
| Flange Length | 2.250 INCHES IN |
| Current Rating in Amps | 140.0 |
| 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 |
|---|---|
| 21809-001 PRIMARY | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA) |
NSN 4810-01-488-5501 is a Valve,linear,directional Control, manufactured by Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-488-5501 has 1 manufacturer part number on file: 21809-001 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-494-4016. Verify interchangeability with system specifications before substitution.
Key specifications for 21809-001: Phase: SINGLE; Frequency in Hertz: 0.0 AND 400.0; Flange Face Design: RAISED; Voltage in Volts and Current Type: 87.0 AC AND 122.0 AC. 15 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.