The Coupler,direct Current Blocking, cataloged under National Stock Number 5985-01-713-9901, 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 Mouser Electronics, Inc Dba Mouser Electronics. Government technical data includes 4 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 | 5985-01-713-9901 |
| Primary Part Number | BLK-89-S+ |
| Item Name | Coupler,direct Current Blocking |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Mouser Electronics, Inc Dba Mouser Electronics |
| Status | ACTIVE |
| Current Type | DC |
| Overall Diameter | 0.410 INCHES NOMINAL IN |
| Radio Frequency Rating | 0.1 MEGAHERTZ MINIMUM AND 8.0 GIGAHERTZ MAXIMUM |
| Voltage Rating | 50.0 VOLTS MAXIMUM |
| 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 |
|---|---|
| BLK-89-S+ PRIMARY | Mouser Electronics, Inc Dba Mouser Electronics (USA) |
NSN 5985-01-713-9901 is a Coupler,direct Current Blocking, manufactured by Mouser Electronics, Inc Dba Mouser Electronics, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-713-9901 has 1 manufacturer part number on file: BLK-89-S+ (Mouser Electronics, Inc Dba Mouser Electronics).
Key specifications for BLK-89-S+: Current Type: DC; Overall Diameter: 0.410 INCHES NOMINAL IN; Radio Frequency Rating: 0.1 MEGAHERTZ MINIMUM AND 8.0 GIGAHERTZ MAXIMUM; Overall Length: 1.180 INCHES NOMINAL IN. 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.