The Line Section,radio Frequency Tra, cataloged under National Stock Number 5985-00-020-2780, 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 Northrop Grumman Systems Corporation. Government technical data includes 6 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5985-00-020-2780 |
| Primary Part Number | 4401C0336 |
| Item Name | Line Section,radio Frequency Tra |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIP. |
| Precious Material | SILVER |
| Supplementary Features | W/2 FLANGES; SILVER PLATED INNER CONDUCTOR |
| Precious Material and Location | EXTERNAL AND INTERNAL SURFACES SILVER |
| Frequency Rating | 600.0 MEGAHERTZ NOMINAL |
| Material | ALUMINUM ALLOY 6061 AND COPPER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 4401C0336 | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 4401C0336 | 5/2 Secondary reference U.S. Government activity |
| 4401C0336 | 5/9 Secondary reference U.S. Government activity |
| 4401C0336 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-00-020-2780 is a Line Section,radio Frequency Tra, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-020-2780 has 1 manufacturer part number on file: 4401C0336 (Northrop Grumman Systems Corporation).
Key specifications for 4401C0336: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIP.; Precious Material: SILVER; Supplementary Features: W/2 FLANGES; SILVER PLATED INNER CONDUCTOR; Overall Length: 90.375 INCHES NOMINAL IN. 6 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 5985-00-020-2780 has DEMIL Code B. 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.