The Control,countermeasures Transmit, cataloged under National Stock Number 5865-01-026-2624, 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 L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5865-01-026-2624 |
| Primary Part Number | 409986-1 |
| Item Name | Control,countermeasures Transmit |
| FSC / FSG | 5865 / 58 — Electronic Countermeasures, Counter-countermeasures and Quick Reaction Capability Equipment |
| Manufacturer | L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products |
| Status | ACTIVE |
| FSC Application Data | COUNTERMEASURES SET,AN/ALQ99 |
| Maximum Overall Width | 5.750 INCHES IN |
| Inclosure Type | ENCASED |
| Maximum Overall Length | 7.500 INCHES IN |
| Maximum Overall Height | 5.625 INCHES IN |
| Mounting Method | FLANGE |
| Power Source | EXTERNAL |
| Terminal Location | BACK |
| Material | ALUMINUM ALLOY CASE |
| Terminal Type and Quantity | 2 CONNECTOR PLUG |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 409986-1 PRIMARY | L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products (USA) |
| Reference | Meaning |
|---|---|
| C9978ALQ99DV | 5/1 Secondary reference U.S. Government activity |
| 1128SCAV858-1 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
| 1128SCAV858-1 | 7/9 Vendor item drawing reference Northrop Grumman Systems Corporation |
NSN 5865-01-026-2624 is a Control,countermeasures Transmit, manufactured by L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products, classified under FSC 5865, Electronic Countermeasures, Counter-countermeasures and Quick Reaction Capability Equipment. Status: active.
NSN 5865-01-026-2624 has 1 manufacturer part number on file: 409986-1 (L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products).
Key specifications for 409986-1: FSC Application Data: COUNTERMEASURES SET,AN/ALQ99; Maximum Overall Width: 5.750 INCHES IN; Inclosure Type: ENCASED; Maximum Overall Length: 7.500 INCHES IN. 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 5865-01-026-2624 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.