The Panel,fault-Function Indicator,a, cataloged under National Stock Number 1680-01-256-2455, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is The Boeing Company Div Legacy Am&m. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-01-256-2455 |
| Primary Part Number | L5400850-121 |
| Item Name | Panel,fault-Function Indicator,a |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| L5400850-121 | Kit Pack Co., Inc. (USA) |
| L5400850-121 | Maney Aircraft, Inc. Dba Maney Aircraft (USA) |
| L5400850-121 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
| L5400850-121 | Kamp Systems Inc (USA) |
NSN 1680-01-256-2455 is a Panel,fault-Function Indicator,a, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-256-2455 has 4 manufacturer part numbers on file: L5400850-121 (Kit Pack Co., Inc.), L5400850-121 (Maney Aircraft, Inc. Dba Maney Aircraft), L5400850-121 (The Boeing Company Div Legacy Am&m), L5400850-121 (Kamp Systems Inc).
Key specifications for L5400850-121: End Item Identification: B-1B AIRCRAFT. 0 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 1680-01-256-2455 has DEMIL Code D. 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.