The Antenna, cataloged under National Stock Number 5985-00-239-7572, 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 General Dynamics Mission Systems, Inc.. Government technical data includes 9 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-239-7572 |
| Primary Part Number | 27-451901-1 |
| Item Name | Antenna |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | General Dynamics Mission Systems, Inc. |
| Status | ACTIVE |
| Beam Scanning Method | FIXED SINGLE ANTENNA ELEMENT |
| Terminal Type | BUSHING SINGLE ANTENNA ELEMENT |
| Design Type | MONOPOLE SINGLE ANTENNA ELEMENT |
| Overall Diameter | 0.375 INCHES NOMINAL IN |
| Precious Material | GOLD AND SILVER |
| Mounting Method | BASE AND COUPLING NUT |
| Radiation Pattern | OMNIDIRECTIONAL SINGLE ANTENNA ELEMENT |
| Electromagnetic Polarization Type | VERTICAL SINGLE ANTENNA ELEMENT |
| Precious Material and Location | BUSHING GOLD AND COPPER BRAID SILVER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 27-451901-1 PRIMARY | General Dynamics Mission Systems, Inc. (USA) |
| 27-451901 | General Dynamics Mission Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 27-451901-1 | 5/9 Secondary reference Televisonet, Inc. |
| 10800500 | 5/1 Secondary reference Ncr Corporation Dba Ncr |
| 27-451901-1 | 5/9 Secondary reference C-Ran Corp |
| M25869A | 5/1 Secondary reference Radio Frequency Systems Inc |
| 445-509 | 5/1 Secondary reference Radio Frequency Systems Inc |
NSN 5985-00-239-7572 is a Antenna, manufactured by General Dynamics Mission Systems, Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-239-7572 has 2 manufacturer part numbers on file: 27-451901-1 (General Dynamics Mission Systems, Inc.), 27-451901 (General Dynamics Mission Systems, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 5985-00-371-6806, 5331-01-128-5178. Verify interchangeability with system specifications before substitution.
Key specifications for 27-451901-1: Beam Scanning Method: FIXED SINGLE ANTENNA ELEMENT; Terminal Type: BUSHING SINGLE ANTENNA ELEMENT; Design Type: MONOPOLE SINGLE ANTENNA ELEMENT; Overall Diameter: 0.375 INCHES NOMINAL IN. 9 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 5985-00-239-7572 has DEMIL Code Q. 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.