The Coupler,directional, cataloged under National Stock Number 5985-01-352-8645, 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 Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (rms). Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5985-01-352-8645 |
| Primary Part Number | 654VE4808-1 |
| Item Name | Coupler,directional |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (rms) |
| Status | ACTIVE |
| Power Loss in Decibels | 40.0 |
| Design Type | UNIDIRECTIONAL |
| Radio Frequency Rating | 2100.0 MEGAHERTZ MINIMUM AND 2750.0 MEGAHERTZ MAXIMUM |
| Unit Type | COAXIAL LINE AND WAVEGUIDE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| R15969 | Dielectric, Llc (USA) |
| 654VE4808-1 PRIMARY | Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (rms) (USA) |
| Reference | Meaning |
|---|---|
| 15969 | 5/9 Secondary reference Spx Corporation Dba Dielectric Communications Div Spx Communication Technologies |
| 654VE4808-1 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-01-352-8645 is a Coupler,directional, manufactured by Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (rms), classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-352-8645 has 2 manufacturer part numbers on file: R15969 (Dielectric, Llc), 654VE4808-1 (Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (rms)).
2 possible matches (shared part number, not a government interchangeability claim): 5133-01-399-1223, 2590-01-674-4598. Verify interchangeability with system specifications before substitution.
Key specifications for 654VE4808-1: Overall Height: 4.250 INCHES MAXIMUM IN; Power Loss in Decibels: 40.0; Design Type: UNIDIRECTIONAL; Radio Frequency Rating: 2100.0 MEGAHERTZ MINIMUM AND 2750.0 MEGAHERTZ MAXIMUM. 4 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 5985-01-352-8645 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.