The Coupler,antenna, cataloged under National Stock Number 5985-01-448-3247, 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 Northrop Grumman Systems Corporation. Government technical data includes 3 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-448-3247 |
| Primary Part Number | 1811720-1 ITEM 2 |
| Item Name | Coupler,antenna |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Current Type | DC |
| Terminal Type | RF CONNECTOR |
| Overall Diameter | 1.500 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1811720-1 ITEM 2 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| 9010 | Cmc Electronics Ltd., Northstar Division Div Northstar Technologies (USA) |
NSN 5985-01-448-3247 is a Coupler,antenna, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-448-3247 has 2 manufacturer part numbers on file: 1811720-1 ITEM 2 (Northrop Grumman Systems Corporation), 9010 (Cmc Electronics Ltd., Northstar Division Div Northstar Technologies).
Key specifications for 1811720-1 ITEM 2: Current Type: DC; Terminal Type: RF CONNECTOR; Overall Diameter: 1.500 INCHES NOMINAL IN; Overall Length: 4.800 INCHES NOMINAL IN. 3 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.
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.