The Antenna, cataloged under National Stock Number 5985-01-374-4256, 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 Chelton, Inc. Dba Cobham Antenna Systems Div Cobham Aerospace Connectivity. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 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 | 5985-01-374-4256 |
| Primary Part Number | 19-440-10 |
| Item Name | Antenna |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Chelton, Inc. Dba Cobham Antenna Systems Div Cobham Aerospace Connectivity |
| Status | ACTIVE |
| Mounting Hole Quantity | 8 |
| Beam Scanning Method | FIXED SINGLE ANTENNA ELEMENT |
| Terminal Type | RECEPTACLE, COAXIAL SINGLE ANTENNA ELEMENT |
| Design Type | MONOPOLE SINGLE ANTENNA ELEMENT |
| Mounting Method | UNTHREADED HOLE(S) |
| Radiation Pattern | OMNIDIRECTIONAL SINGLE ANTENNA ELEMENT |
| Mounting Hole Diameter | 0.213 INCHES NOMINAL IN |
| Connector End Design | SOCKET SINGLE ANTENNA ELEMENT |
| Frequency Rating | 30.000 MEGAHERTZ MINIMUM AND 400.000 MEGAHERTZ MAXIMUM SINGLE ANTENNA ELEMENT |
| Coaxial Connector Series Designation | TNC AND SMA SINGLE ANTENNA ELEMENT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5985-01-374-4256 is a Antenna, manufactured by Chelton, Inc. Dba Cobham Antenna Systems Div Cobham Aerospace Connectivity, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-374-4256 has 2 manufacturer part numbers on file: 19-440-10 (Chelton, Inc. Dba Cobham Antenna Systems Div Cobham Aerospace Connectivity), 19-440-10 (Chelton Limited Div Cobham Antennas Bu).
1 possible match (shared part number, not a government interchangeability claim): 5985-01-669-4202. Verify interchangeability with system specifications before substitution.
Key specifications for 19-440-10: Mounting Hole Quantity: 8; Overall Height: 8.200 INCHES MAXIMUM IN; Beam Scanning Method: FIXED SINGLE ANTENNA ELEMENT; Terminal Type: RECEPTACLE, COAXIAL SINGLE ANTENNA ELEMENT. 10 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 5985-01-374-4256 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.