The Valve,bypass, cataloged under National Stock Number 4820-01-115-9241, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Eaton Aerospace Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Valve,bypass |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Eaton Aerospace Llc (CAGE 16780); The Boeing Company (CAGE 77272) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-115-9241 |
| Primary Part Number | 11282 |
| Item Name | Valve,bypass |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Eaton Aerospace Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 11282 PRIMARY | Eaton Aerospace Llc (USA) |
| 145DS520-1 | The Boeing Company (USA) |
NSN 4820-01-115-9241 is a Valve,bypass, manufactured by Eaton Aerospace Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-115-9241 has 2 manufacturer part numbers on file: 11282 (Eaton Aerospace Llc), 145DS520-1 (The Boeing Company).
2 possible matches (shared part number, not a government interchangeability claim): 5305-01-312-7029, 2920-01-424-9011. Verify interchangeability with system specifications before substitution.
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 4820-01-115-9241 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.