The Duplexer Assembly, cataloged under National Stock Number 5840-01-135-9951, is classified within Federal Supply Class 5840 (Radar Equipment, Except Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Semic Rf Electronic Gmbh. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5840-01-135-9951 |
| Primary Part Number | MA3261 |
| Item Name | Duplexer Assembly |
| FSC / FSG | 5840 / 58 — Radar Equipment, Except Airborne |
| Manufacturer | Semic Rf Electronic Gmbh |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF FOUR PIECES INCLUDING TWO STRAIGHT AND ONE 90 DEGREE ELBOW WAVEGUIDE AND DUPLEXER; OVERALL LENGTH 18.50 IN. FROM OUTSIDE FLANGE ON STRAIGHT END TO CENTERLINE OF ELBOW; WIDTH AT DUPLEXER 8.605 IN. PLUS COOLANT FITTINGS IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| MA3261 | Semic Rf Electronic Gmbh (DEU) |
| 361061-011 | Raytheon Company Div Rmd Strategic (USA) |
| Reference | Meaning |
|---|---|
| MA3261 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5840-01-135-9951 is a Duplexer Assembly, manufactured by Semic Rf Electronic Gmbh, classified under FSC 5840, Radar Equipment, Except Airborne. Status: active.
NSN 5840-01-135-9951 has 2 manufacturer part numbers on file: MA3261 (Semic Rf Electronic Gmbh), 361061-011 (Raytheon Company Div Rmd Strategic).
Key specifications for MA3261: General Characteristics Item Description: CONSISTS OF FOUR PIECES INCLUDING TWO STRAIGHT AND ONE 90 DEGREE ELBOW WAVEGUIDE AND DUPLEXER; OVERALL LENGTH 18.50 IN. FROM OUTSIDE FLANGE ON STRAIGHT END TO CENTERLINE OF ELBOW; WIDTH AT DUPLEXER 8.605 IN. PLUS COOLANT FITTINGS IN. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5840-01-135-9951 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.