The Coupler,directional, cataloged under National Stock Number 5985-01-117-3839, 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 5 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-117-3839 |
| Primary Part Number | CRM10-50 |
| Item Name | Coupler,directional |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Merrimac Industries, Inc |
| Status | ACTIVE |
| Terminal Fitting Controlling Agency | MERR1MAC RESEARCH AND DEVELOPMENT INC |
| Usage Design | MAIN LINE TERMINAL FITTING |
| 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 |
|---|---|
| 729049-1 | Raytheon Company Div Rmd Strategic (USA) |
| 0-D3-10-1075 | Crane Electronics, Inc. Dba Signal Technology Div Olektron (USA) |
| CRM10-50 PRIMARY | Merrimac Industries, Inc (USA) |
| Reference | Meaning |
|---|---|
| 0-D3-10-1075 | 5/9 Secondary reference Signal Technology Corporation Div Systems Operation |
NSN 5985-01-117-3839 is a Coupler,directional, manufactured by Merrimac Industries, Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-117-3839 has 3 manufacturer part numbers on file: 729049-1 (Raytheon Company Div Rmd Strategic), 0-D3-10-1075 (Crane Electronics, Inc. Dba Signal Technology Div Olektron), CRM10-50 (Merrimac Industries, Inc).
Key specifications for CRM10-50: Overall Height: 0.560 INCHES MAXIMUM IN; Terminal Fitting Controlling Agency: MERR1MAC RESEARCH AND DEVELOPMENT INC; Usage Design: MAIN LINE TERMINAL FITTING; Design Type: BIDIRECTIONAL. 5 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 5985-01-117-3839 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.