The Switching Unit,countermeasures D, cataloged under National Stock Number 5865-01-527-2187, 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 Symetrics Industries, Llc Dba Extant Aerospace Div Symetrics Industries Dba Extant Aerospace. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5865-01-527-2187 |
| Primary Part Number | 179250-0012 |
| Item Name | Switching Unit,countermeasures D |
| FSC / FSG | 5865 / 58 — Electronic Countermeasures, Counter-countermeasures and Quick Reaction Capability Equipment |
| Manufacturer | Symetrics Industries, Llc Dba Extant Aerospace Div Symetrics Industries Dba Extant Aerospace |
| Status | ACTIVE |
| Supplementary Features | THIS VERSION HAS SOFTWARE PACKAGE FOR USE WITH ARMY AIRCRAFT ONLY |
| Criticality Code Justification | FEAT |
| Functional Description | SEQUENCES SWITCH GENERATES AND ROUTES FIRING POWER TO SPECIFIC PAYLOAD (DISPENCER) LOCATION; UNIT ALSO DETERMINES AND MAINTAINS AN INVENTORY OF EXPENDABLES |
| 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 |
|---|---|
| 179250-0012 | Symetrics Industries, Llc Dba Extant Aerospace Div Symetrics Industries Dba Extant Aerospace (USA) |
| Reference | Meaning |
|---|---|
| 179250-0012 | 3/2 Design control — primary reference U.S. Government activity |
| 179250-0012 | 3/1 Design control — primary reference Bae Systems Information & Electronic Systems Integration Inc. |
NSN 5865-01-527-2187 is a Switching Unit,countermeasures D, manufactured by Symetrics Industries, Llc Dba Extant Aerospace Div Symetrics Industries Dba Extant Aerospace, classified under FSC 5865, Electronic Countermeasures, Counter-countermeasures and Quick Reaction Capability Equipment. Status: active.
NSN 5865-01-527-2187 has 1 manufacturer part number on file: 179250-0012 (Symetrics Industries, Llc Dba Extant Aerospace Div Symetrics Industries Dba Extant Aerospace).
Key specifications for 179250-0012: Overall Height: 2.890 INCHES NOMINAL IN; Supplementary Features: THIS VERSION HAS SOFTWARE PACKAGE FOR USE WITH ARMY AIRCRAFT ONLY; Criticality Code Justification: FEAT; Overall Length: 6.800 INCHES NOMINAL IN. 3 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 5865-01-527-2187 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.