The Coupler,directional, cataloged under National Stock Number 5985-01-211-5821, 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 Us Army Aviation and Missile Command. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-211-5821 |
| Primary Part Number | 11437294-3 |
| Item Name | Coupler,directional |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Radio Frequency Rating | 5.0 GIGAHERTZ NOMINAL AND 6.0 GIGAHERTZ NOMINAL |
| Unit Type | COAXIAL LINE |
| Test Data Document | 18876-11437294 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| 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 |
|---|---|
| 11437294-3 | Microwave Communications Laboratories, Inc. (USA) |
| 11437294-3 PRIMARY | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| CB-E57 | 5/1 Secondary reference Microlab/fxr Llc |
NSN 5985-01-211-5821 is a Coupler,directional, manufactured by Us Army Aviation and Missile Command, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-211-5821 has 2 manufacturer part numbers on file: 11437294-3 (Microwave Communications Laboratories, Inc.), 11437294-3 (Us Army Aviation and Missile Command).
Key specifications for 11437294-3: Radio Frequency Rating: 5.0 GIGAHERTZ NOMINAL AND 6.0 GIGAHERTZ NOMINAL; Overall Length: 1.750 INCHES NOMINAL IN; Overall Width: 0.880 INCHES NOMINAL IN; Unit Type: COAXIAL LINE. 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 5985-01-211-5821 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.