The Coupler,hybrid,mid-Low Band, cataloged under National Stock Number 5865-01-140-4027, is classified within Federal Supply Class 5865 (Electronic Countermeasures, Counter-countermeasures and Quick Reaction Capability Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Bae Systems Information and Electronic Systems Integration I. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5865-01-140-4027 |
| Primary Part Number | 77290G2 |
| Item Name | Coupler,hybrid,mid-Low Band |
| FSC / FSG | 5865 / 58 — Electronic Countermeasures, Counter-countermeasures and Quick Reaction Capability Equipment |
| Manufacturer | Bae Systems Information and Electronic Systems Integration I |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 77290G2 PRIMARY | Bae Systems Information and Electronic Systems Integration I (USA) |
| Reference | Meaning |
|---|---|
| 77290G2 | 5/9 Secondary reference Gale Daniels Enterprises |
| AN/ALQ-126 | 5/1 Secondary reference U.S. Government activity |
NSN 5865-01-140-4027 is a Coupler,hybrid,mid-Low Band, manufactured by Bae Systems Information and Electronic Systems Integration I, classified under FSC 5865, Electronic Countermeasures, Counter-countermeasures and Quick Reaction Capability Equipment. Status: active.
NSN 5865-01-140-4027 has 1 manufacturer part number on file: 77290G2 (Bae Systems Information and Electronic Systems Integration I).
1 possible match (shared part number, not a government interchangeability claim): 5985-01-376-4876. Verify interchangeability with system specifications before substitution.
Key specifications for 77290G2: Criticality Code Justification: FEAT; Special Features: WEAPON SYSTEM ESSENTIAL; End Item Identification: AIRCRAFT MODEL F-18. 1 specification is 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 5865-01-140-4027 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.