The Valve,butterfly, cataloged under National Stock Number 4810-00-571-7659, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Ge Aviation Systems Llc Dba Ge Aviation Systems Llc. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-00-571-7659 |
| Primary Part Number | BYLB9047 |
| Item Name | Valve,butterfly |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Ge Aviation Systems Llc Dba Ge Aviation Systems Llc |
| Status | ACTIVE |
| Recess Nominal Depth | 0.500 INCHES FIRST END IN |
| Flange Shape | ROUND SECOND END |
| Flange Shape | ROUND FIRST END |
| Flange Face Design | PLAIN SECOND END |
| Flange Face Design | RECESSED STRAIGHT FIRST END |
| Voltage in Volts and Current Type | 28.0 DC |
| Connection Type | FLANGE SECOND END |
| Connection Type | FLANGE FIRST END |
| Style Designator | STRAIGHT THRU |
| Current Rating in Amps | 0.041 |
| 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 |
|---|---|
| BYLB9047 PRIMARY | Ge Aviation Systems Llc Dba Ge Aviation Systems Llc (USA) |
| Reference | Meaning |
|---|---|
| 32-83249-1 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
NSN 4810-00-571-7659 is a Valve,butterfly, manufactured by Ge Aviation Systems Llc Dba Ge Aviation Systems Llc, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-00-571-7659 has 1 manufacturer part number on file: BYLB9047 (Ge Aviation Systems Llc Dba Ge Aviation Systems Llc).
Key specifications for BYLB9047: Recess Nominal Depth: 0.500 INCHES FIRST END IN; Flange Shape: ROUND SECOND END; Flange Shape: ROUND FIRST END; Flange Face Design: PLAIN SECOND END. 10 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 4810-00-571-7659 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.