The Circulator,radio Frequency, cataloged under National Stock Number 5985-01-730-5680, 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 Smiths Interconnect, Inc. Div Smiths Interconnect Inc - Thousand Oaks. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-730-5680 |
| Primary Part Number | BX126 |
| Item Name | Circulator,radio Frequency |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Smiths Interconnect, Inc. Div Smiths Interconnect Inc - Thousand Oaks |
| Status | ACTIVE |
| Connection Method | CONNECTOR RECEPTACLE |
| Connector Quantity | 3 |
| Frequency Range Rating | +9.05 TO 10.05 GIGAHERTZ |
| Insertion Loss in Decibels | 0.20 |
| 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 |
|---|---|
| T5985-0052-001 | Telephonics Corporation (USA) |
| BX126 PRIMARY | Smiths Interconnect, Inc. Div Smiths Interconnect Inc - Thousand Oaks (USA) |
NSN 5985-01-730-5680 is a Circulator,radio Frequency, manufactured by Smiths Interconnect, Inc. Div Smiths Interconnect Inc - Thousand Oaks, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-730-5680 has 2 manufacturer part numbers on file: T5985-0052-001 (Telephonics Corporation), BX126 (Smiths Interconnect, Inc. Div Smiths Interconnect Inc - Thousand Oaks).
Key specifications for BX126: Connection Method: CONNECTOR RECEPTACLE; Connector Quantity: 3; Frequency Range Rating: +9.05 TO 10.05 GIGAHERTZ; Insertion Loss in Decibels: 0.20. 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.
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.