The Coupler,direct Current Blocking, cataloged under National Stock Number 5985-01-570-3173, 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 Meca Electronics Inc. Government technical data includes 7 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 | 5985-01-570-3173 |
| Primary Part Number | 500-1T |
| Item Name | Coupler,direct Current Blocking |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Meca Electronics Inc |
| Status | ACTIVE |
| Current Type | DC |
| Power Loss in Decibels | 0.3 |
| Overall Diameter | 0.560 INCHES MINIMUM AND 0.590 INCHES MAXIMUM IN |
| Radio Frequency Rating | 0.4 GIGAHERTZ MINIMUM AND 3.0 GIGAHERTZ MAXIMUM |
| Power Rating | 100.0 WATTS MINIMUM AND 1000.0 WATTS MAXIMUM |
| Unit Type | COAXIAL LINE |
| Voltage Rating | 250.0 VOLTS NOMINAL |
| 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 |
|---|---|
| 500-1T PRIMARY | Meca Electronics Inc (USA) |
NSN 5985-01-570-3173 is a Coupler,direct Current Blocking, manufactured by Meca Electronics Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-570-3173 has 1 manufacturer part number on file: 500-1T (Meca Electronics Inc).
Key specifications for 500-1T: Current Type: DC; Power Loss in Decibels: 0.3; Overall Diameter: 0.560 INCHES MINIMUM AND 0.590 INCHES MAXIMUM IN; Radio Frequency Rating: 0.4 GIGAHERTZ MINIMUM AND 3.0 GIGAHERTZ MAXIMUM. 7 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 5985-01-570-3173 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.