The Coupler,directional, cataloged under National Stock Number 5985-01-274-3974, 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 Naval Sea Systems Command. Government technical data includes 9 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 | 5985-01-274-3974 |
| Primary Part Number | 5616782-3 |
| Item Name | Coupler,directional |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Usage Design | MAIN LINE AND SECONDARY LINE TERMINAL FITTING |
| Power Loss in Decibels | 5.5 AND 6.5 |
| Design Type | BIDIRECTIONAL |
| Overall Diameter | 0.400 INCHES MAXIMUM IN |
| Precious Material | GOLD |
| Radio Frequency Rating | 10.0 MEGAHERTZ MINIMUM AND 100.0 MEGAHERTZ MAXIMUM |
| Unit Type | TRANSMISSION LINE |
| Precious Material and Location | BASE SURFACES GOLD |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| C-147/27906 | Merrimac Industries, Inc (USA) |
| 5616782-3 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5985-01-274-3974 is a Coupler,directional, manufactured by Naval Sea Systems Command, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-274-3974 has 2 manufacturer part numbers on file: C-147/27906 (Merrimac Industries, Inc), 5616782-3 (Naval Sea Systems Command).
Key specifications for 5616782-3: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Usage Design: MAIN LINE AND SECONDARY LINE TERMINAL FITTING; Power Loss in Decibels: 5.5 AND 6.5; Design Type: BIDIRECTIONAL. 9 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 5985-01-274-3974 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.