The Antenna Group, cataloged under National Stock Number 5985-01-121-0140, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Aimtron Systems, Llc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5985-01-121-0140 |
| Primary Part Number | 505267 |
| Item Name | Antenna Group |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Aimtron Systems, Llc |
| Status | ACTIVE |
| Furnished Items | ANTENNA;FIBERGLASS RADOME;OBSTRUCTION LIGHTS;BASE ADAPTER;COVER PLATE; MONITOR PROBES;CONNECTORS |
| Accessory Component Quantity | 7 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 505267 PRIMARY | Aimtron Systems, Llc (USA) |
| FA9639-3 | U S Dept of Transportation Federal Aviation Administration (USA) |
| 505771 | Aimtron Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| D32901-504 | 5/9 Secondary reference Edo Ail Systems Inc |
| D32901 | C/1 Advisory reference — outside the item-of-supply concept Edo Ail Systems Inc |
| 505269 | C/1 Advisory reference — outside the item-of-supply concept Cardion Inc |
| 505267 | 5/9 Secondary reference Cardion Inc |
| 505771 | 5/9 Secondary reference Cardion Inc |
NSN 5985-01-121-0140 is a Antenna Group, manufactured by Aimtron Systems, Llc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-121-0140 has 3 manufacturer part numbers on file: 505267 (Aimtron Systems, Llc), FA9639-3 (U S Dept of Transportation Federal Aviation Administration), 505771 (Aimtron Systems, Llc).
1 possible match (shared part number, not a government interchangeability claim): 6130-01-285-0295. Verify interchangeability with system specifications before substitution.
Key specifications for 505267: Special Features: CABLING BETWEEN ANTENNA AND DME RACK NOT INCLU DED,ANTENNA IS OMNIDIRECTIONAL, UNIT 2; REFERENCE DATA: 2, TI-6730.1, FA-9639, DME GROUND STATION EQUIPMENT, VOL 2, SEC 3-11, PG 8-161; Furnished Items: ANTENNA;FIBERGLASS RADOME;OBSTRUCTION LIGHTS;BASE ADAPTER;COVER PLATE; MONITOR PROBES;CONNECTORS; End Item Identification: DME, FA-9639/3; Accessory Component Quantity: 7. 2 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5985-01-121-0140 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.