The Antenna, cataloged under National Stock Number 5985-01-331-8710, 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 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-331-8710 |
| Primary Part Number | 16-112P21 |
| 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 | 4 |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Beam Scanning Method | FIXED SINGLE ANTENNA ELEMENT |
| Terminal Type | RECEPTACLE, COAXIAL SINGLE ANTENNA ELEMENT |
| Mounting Method | THREADED HOLE(S) |
| Radiation Pattern | OMNIDIRECTIONAL SINGLE ANTENNA ELEMENT |
| Criticality Code Justification | FEAT |
| Connector End Design | SOCKET SINGLE ANTENNA ELEMENT |
| Electromagnetic Polarization Type | HORIZONTAL SINGLE ANTENNA ELEMENT |
| Frequency Rating | 225.000 MEGAHERTZ MINIMUM AND 400.000 MEGAHERTZ MAXIMUM AND 960.000 MEGAHERTZ MINIMUM AND 1220.000 MEGAHERTZ MAXIMUM SINGLE ANTENNA ELEMENT |
| Coaxial Connector Series Designation | N SINGLE ANTENNA ELEMENT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 16-112P21 PRIMARY | Chelton, Inc. Dba Cobham Antenna Systems Div Cobham Aerospace Connectivity (USA) |
| 16-112P21 | Chelton Limited Div Cobham Antennas Bu (GBR) |
| Reference | Meaning |
|---|---|
| 16-112P21 | 5/9 Secondary reference The Boeing Company Div Defense |
NSN 5985-01-331-8710 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 5985-01-331-8710 has 2 manufacturer part numbers on file: 16-112P21 (Chelton, Inc. Dba Cobham Antenna Systems Div Cobham Aerospace Connectivity), 16-112P21 (Chelton Limited Div Cobham Antennas Bu).
Key specifications for 16-112P21: Mounting Hole Quantity: 4; Overall Height: 1.900 INCHES MINIMUM AND 2.100 INCHES MAXIMUM IN; FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Beam Scanning Method: FIXED SINGLE ANTENNA ELEMENT. 11 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 5985-01-331-8710 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.