The Plate,mounting,antenna Coupler, cataloged under National Stock Number 5985-01-172-0089, 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 Naval Sea Systems Command. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-172-0089 |
| Primary Part Number | 5188483 |
| Item Name | Plate,mounting,antenna Coupler |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Mounting Facility Quantity | 7 |
| Overall Diameter | 3.090 INCHES MINIMUM AND 3.130 INCHES MAXIMUM IN |
| Mounting Facility Circle Radius | 3.100 INCHES NOMINAL IN |
| Mounting Method | UNTHREADED HOLE(S) |
| Mounting Hole Diameter | 0.280 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN |
| Angle Between Adjacent Mounting Facilities in Deg | 40.0 |
| Basic Shape Style | CYLINDRICAL |
| Mounting Hole Type | PLAIN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5985-01-172-0089 is a Plate,mounting,antenna Coupler, manufactured by Naval Sea Systems Command, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-172-0089 has 2 manufacturer part numbers on file: 5188483 (Raytheon Company), 5188483 (Naval Sea Systems Command).
Key specifications for 5188483: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Mounting Facility Quantity: 7; Overall Diameter: 3.090 INCHES MINIMUM AND 3.130 INCHES MAXIMUM IN; Mounting Facility Circle Radius: 3.100 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.
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.