The Coupler,transmission Line, cataloged under National Stock Number 5985-01-473-8326, 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 L3harris Technologies, Inc. Div Pspc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-473-8326 |
| Primary Part Number | DB4306 |
| Item Name | Coupler,transmission Line |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | L3harris Technologies, Inc. Div Pspc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| DB4306 PRIMARY | L3harris Technologies, Inc. Div Pspc (USA) |
| DB4308 PRIMARY | L3harris Technologies, Inc. Div Pspc (USA) |
| Reference | Meaning |
|---|---|
| DB4308 | 5/9 Secondary reference M/a-Com Private Radio Systems Inc |
| DB4306 | 5/9 Secondary reference M/a-Com Private Radio Systems Inc |
NSN 5985-01-473-8326 is a Coupler,transmission Line, manufactured by L3harris Technologies, Inc. Div Pspc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-473-8326 has 2 manufacturer part numbers on file: DB4306 (L3harris Technologies, Inc. Div Pspc), DB4308 (L3harris Technologies, Inc. Div Pspc).
1 possible match (shared part number, not a government interchangeability claim): 5985-01-477-9154. Verify interchangeability with system specifications before substitution.
Key specifications for DB4306: Special Features: INAVY HYBRID COUPLER; End Item Identification: RE-1168/SRC-55(V), MASTBOX; J-6416/SRC-55(V), INTERFACE UNIT; 350A2702G4. 0 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 5985-01-473-8326 has DEMIL Code B. 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.