The Coupler,direct Current Blocking, cataloged under National Stock Number 5985-01-550-1031, 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 Universal Microwave Components Corp. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-550-1031 |
| Primary Part Number | BT-3000-LS |
| Item Name | Coupler,direct Current Blocking |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Universal Microwave Components Corp |
| Status | ACTIVE |
| Current Type | DC |
| Power Loss in Decibels | 0.7 |
| Capacitor Location | OUTER CONDUCTOR |
| Power Rating | 5.0 WATTS MAXIMUM |
| Voltage Standing Wave Ratio at Reference Frequency | 1.20 TO 1 AT 3GHZ. GHz |
| Terminal Fitting Name | MSA |
| Unit Type | COAXIAL LINE |
| Voltage Rating | 50.0 VOLTS MAXIMUM |
| 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 |
|---|---|
| BT-3000-LS PRIMARY | Universal Microwave Components Corp (USA) |
NSN 5985-01-550-1031 is a Coupler,direct Current Blocking, manufactured by Universal Microwave Components Corp, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-550-1031 has 1 manufacturer part number on file: BT-3000-LS (Universal Microwave Components Corp).
Key specifications for BT-3000-LS: Current Type: DC; Power Loss in Decibels: 0.7; Capacitor Location: OUTER CONDUCTOR; Power Rating: 5.0 WATTS MAXIMUM. 8 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 5985-01-550-1031 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.