The Coupler,directional, cataloged under National Stock Number 5985-01-177-0332, 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 7 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-177-0332 |
| Primary Part Number | 5618411 |
| Item Name | Coupler,directional |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| FSC Application Data | COUPLERS AND CONNECTORS |
| Unpackaged Unit Weight | 1.000 OUNCES NOMINAL OZ |
| Usage Design | MAIN LINE TERMINAL FITTING |
| Power Loss in Decibels | 20.0 |
| Design Type | BIDIRECTIONAL |
| Radio Frequency Rating | 2.0 MEGAHERTZ MINIMUM AND 100.0 MEGAHERTZ MAXIMUM |
| Unit Type | COAXIAL LINE |
| 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 |
|---|---|
| CRM-20-50127732 | Merrimac Industries, Inc (USA) |
| CRM-20-50/27732 | Merrimac Industries, Inc (USA) |
| 5618411 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| 5618411 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5985-01-177-0332 is a Coupler,directional, manufactured by Naval Sea Systems Command, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-177-0332 has 4 manufacturer part numbers on file: CRM-20-50127732 (Merrimac Industries, Inc), CRM-20-50/27732 (Merrimac Industries, Inc), 5618411 (Lockheed Martin Corporation Div Rms - Mitchel Field), 5618411 (Naval Sea Systems Command).
Key specifications for 5618411: Overall Height: 1.420 INCHES NOMINAL IN; FSC Application Data: COUPLERS AND CONNECTORS; Unpackaged Unit Weight: 1.000 OUNCES NOMINAL OZ; Usage Design: MAIN LINE TERMINAL FITTING. 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 5985-01-177-0332 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.