The Altimeter Coupler a, cataloged under National Stock Number 5841-00-918-7146, is classified within Federal Supply Class 5841 (Radar Equipment, Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is L3harris Interstate Electronics Corporation. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Altimeter Coupler a |
| FSC / FSG | 5841 — Radar Equipment, Airborne (FSG 58) |
| Manufacturers | L3harris Interstate Electronics Corporation (CAGE 07421) |
| Parameter | Value |
|---|---|
| NSN | 5841-00-918-7146 |
| Primary Part Number | 550-1-000 |
| Item Name | Altimeter Coupler a |
| FSC / FSG | 5841 / 58 — Radar Equipment, Airborne |
| Manufacturer | L3harris Interstate Electronics Corporation |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | V |
| Part Number | Manufacturer |
|---|---|
| 550-1-000 PRIMARY | L3harris Interstate Electronics Corporation (USA) |
| Reference | Meaning |
|---|---|
| CU1503AP | 5/2 Secondary reference U.S. Government activity |
| 533178-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5841-00-918-7146 is a Altimeter Coupler a, manufactured by L3harris Interstate Electronics Corporation, classified under FSC 5841, Radar Equipment, Airborne. Status: active.
NSN 5841-00-918-7146 has 1 manufacturer part number on file: 550-1-000 (L3harris Interstate Electronics Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-413-1255. 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 5841-00-918-7146 has DEMIL Code B. 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.