The Tuner,transmission Line, cataloged under National Stock Number 5985-00-912-1544, 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 Minstry of Defence, Test & Measurement Group (t&m). Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5985-00-912-1544 |
| Primary Part Number | 874/D20L |
| Item Name | Tuner,transmission Line |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Minstry of Defence, Test & Measurement Group (t&m) |
| Status | ACTIVE |
| Transmission Line Characteristic Impedance | 50.0 OHMS NOMINAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 874/D20L | Minstry of Defence, Test & Measurement Group (t&m) (GBR) |
| Reference | Meaning |
|---|---|
| 874-D20L | C/1 Advisory reference — outside the item-of-supply concept Iet Labs Inc |
| 874-D20L | 3/9 Design control — primary reference Genrad Inc |
| 0874-9511 | 5/9 Secondary reference Genrad Inc |
NSN 5985-00-912-1544 is a Tuner,transmission Line, manufactured by Minstry of Defence, Test & Measurement Group (t&m), classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-912-1544 has 1 manufacturer part number on file: 874/D20L (Minstry of Defence, Test & Measurement Group (t&m)).
Key specifications for 874/D20L: Overall Length: 14.980 INCHES NOMINAL IN; Transmission Line Characteristic Impedance: 50.0 OHMS NOMINAL. 1 specification is 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.
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.