The Coupler,rotary,radio Frequency, cataloged under National Stock Number 5985-01-478-9740, 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 Eastern Microwave Corp. Government technical data includes 3 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 | 5985-01-478-9740 |
| Primary Part Number | 12-5020H2 |
| Item Name | Coupler,rotary,radio Frequency |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Eastern Microwave Corp |
| Status | ACTIVE |
| Unit Type | WAVEGUIDE |
| Material | ALUMINUM ALLOY |
| Reference Number Differentiating Characteristics | ASDIFFERENTIATEDBYMATERIAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5985-01-478-9740 is a Coupler,rotary,radio Frequency, manufactured by Eastern Microwave Corp, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-478-9740 has 2 manufacturer part numbers on file: 881551-2 (Drs Sustainment Systems, Inc.), 12-5020H2 (Eastern Microwave Corp).
Key specifications for 12-5020H2: Unit Type: WAVEGUIDE; End Item Identification: MC-130H; Material: ALUMINUM ALLOY; Reference Number Differentiating Characteristics: ASDIFFERENTIATEDBYMATERIAL. 3 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 5985-01-478-9740 has DEMIL Code D. 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.