The Valve,linear,directional Control, cataloged under National Stock Number 4820-01-172-3639, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Ge Aviation Systems Llc. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-172-3639 |
| Primary Part Number | 104693001 |
| Item Name | Valve,linear,directional Control |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Ge Aviation Systems Llc |
| Status | ACTIVE |
| Poppet Quantity | 1 |
| Operating Pressure and Type | 4700.0 POUNDS PER SQUARE INCH (PSI) HYDRAULIC OIL MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS |
| Criticality Code Justification | FEAT |
| Connection Type | THREADED EXTERNAL TUBE |
| End Connection Quantity | 3 |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES AND 0.375 INCHES IN |
| Nominal Thread Size | 0.438 INCHES AND 0.563 INCHES IN |
| Body Material | ALUMINUM ALLOY OR STEEL CORROSION RESISTING OR TITANIUM ALLOY |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Valve Discharge Flow Rate | 208.3 CUBIC FEET PER MINUTE |
| Valve Operation Method | HYDRAULIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 104693001 | Triumph Aerospace Operations Uk, Ltd. Div Staverton Site (GBR) |
| 104693001 | Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk (GBR) |
| 104693001 PRIMARY | Ge Aviation Systems Llc (USA) |
| 75B690088-101 | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 75B690088 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| 104693001 | 3/9 Design control — primary reference Ge Aviation Systems Llc Dba Ge Aviation |
NSN 4820-01-172-3639 is a Valve,linear,directional Control, manufactured by Ge Aviation Systems Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-172-3639 has 4 manufacturer part numbers on file: 104693001 (Triumph Aerospace Operations Uk, Ltd. Div Staverton Site), 104693001 (Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk), 104693001 (Ge Aviation Systems Llc), 75B690088-101 (The Boeing Company Div Defense).
Key specifications for 104693001: Poppet Quantity: 1; Operating Pressure and Type: 4700.0 POUNDS PER SQUARE INCH (PSI) HYDRAULIC OIL MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS; Criticality Code Justification: FEAT; Connection Type: THREADED EXTERNAL TUBE. 13 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.
NSN 4820-01-172-3639 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.