The Coupler,transmission Line, cataloged under National Stock Number 5985-01-047-4875, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5985-01-047-4875 |
| Primary Part Number | QHF-2A-70/21975 |
| Item Name | Coupler,transmission Line |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Merrimac Industries, Inc |
| Status | ACTIVE |
| Precious Material | GOLD |
| Input Impedance Rating in Ohms | 50.0 |
| Radio Frequency Rating | 70.0 MEGAHERTZ NOMINAL |
| Unit Type | TRANSMISSION LINE |
| Precious Material and Location | LEAD SURFACE GOLD |
| Material | STEEL |
| Output Impedance Rating in Ohms | 50.0 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| QHF-2A-70/21975 | Merrimac Industries, Inc (USA) |
| Reference | Meaning |
|---|---|
| QHF-2A-70 | 5/9 Secondary reference Merrimac Industries, Inc |
| SM-A-878018 | 3/2 Design control — primary reference U.S. Government activity |
| SMA878018-1 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5985-01-047-4875 is a Coupler,transmission Line, manufactured by Merrimac Industries, Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-047-4875 has 1 manufacturer part number on file: QHF-2A-70/21975 (Merrimac Industries, Inc).
Key specifications for QHF-2A-70/21975: Overall Height: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN; Precious Material: GOLD; Input Impedance Rating in Ohms: 50.0; Radio Frequency Rating: 70.0 MEGAHERTZ NOMINAL. 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 5985-01-047-4875 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.