The Detector,crystal,ra, cataloged under National Stock Number 5841-00-678-8056, is classified within Federal Supply Class 5841 (Radar Equipment, Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Semi-General, Inc. Dba Semigen. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Detector,crystal,ra |
| FSC / FSG | 5841 — Radar Equipment, Airborne (FSG 58) |
| Manufacturers | Semic Rf Electronic Gmbh (CAGE DG438); Semi-General, Inc. Dba Semigen (CAGE 3BBY6); Honeywell International Inc Dba Honeywell (CAGE 27914) |
| Parameter | Value |
|---|---|
| NSN | 5841-00-678-8056 |
| Primary Part Number | MA4138 |
| Item Name | Detector,crystal,ra |
| FSC / FSG | 5841 / 58 — Radar Equipment, Airborne |
| Manufacturer | Semi-General, Inc. Dba Semigen |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| MA4138 | Semic Rf Electronic Gmbh (DEU) |
| MA4138 PRIMARY | Semi-General, Inc. Dba Semigen (USA) |
| 2088494-1 | Honeywell International Inc Dba Honeywell (USA) |
| Reference | Meaning |
|---|---|
| MA4138 | 5/9 Secondary reference U.S. Government activity |
| 2088494-1 | 5/9 Secondary reference Raytheon Company Dba Raytheon Co |
| L2088494-1 | 5/9 Secondary reference Bendix Corp the |
NSN 5841-00-678-8056 is a Detector,crystal,ra, manufactured by Semi-General, Inc. Dba Semigen, classified under FSC 5841, Radar Equipment, Airborne. Status: active.
NSN 5841-00-678-8056 has 3 manufacturer part numbers on file: MA4138 (Semic Rf Electronic Gmbh), MA4138 (Semi-General, Inc. Dba Semigen), 2088494-1 (Honeywell International Inc Dba Honeywell).
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 5841-00-678-8056 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.