The Coupler,directional, cataloged under National Stock Number 5985-01-330-1989, 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 Merrimac Industries, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-330-1989 |
| Primary Part Number | CRF-19.5-260/17527 |
| Item Name | Coupler,directional |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Merrimac Industries, Inc |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Unpackaged Unit Weight | 0.090 OUNCES NOMINAL OZ |
| Power Loss in Decibels | 19.5 |
| Design Type | BIDIRECTIONAL |
| Criticality Code Justification | FEAT |
| Radio Frequency Rating | 20.0 MEGAHERTZ MINIMUM AND 500.0 MEGAHERTZ MAXIMUM |
| Unit Type | TRANSMISSION LINE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| CRF-19.5-260/17527 | Merrimac Industries, Inc (USA) |
| Reference | Meaning |
|---|---|
| 7539912P2 | 3/9 Design control — primary reference U.S. Government activity |
| 7539912P0002 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| CH-600 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-01-330-1989 is a Coupler,directional, manufactured by Merrimac Industries, Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-330-1989 has 1 manufacturer part number on file: CRF-19.5-260/17527 (Merrimac Industries, Inc).
Key specifications for CRF-19.5-260/17527: Overall Height: 0.125 INCHES MAXIMUM IN; FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Unpackaged Unit Weight: 0.090 OUNCES NOMINAL OZ; Power Loss in Decibels: 19.5. 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 5985-01-330-1989 has DEMIL Code Q. 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.