The Transistor, cataloged under National Stock Number 5961-01-331-3184, is classified within Federal Supply Class 5961 (Semiconductor Devices and Associated Hardware) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings). Government technical data includes 13 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-331-3184 |
| Primary Part Number | LO4374 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 500.0 MAXIMUM DRAIN TO SOURCE VOLTAGE |
| Maximum Operating Temp Per Measurement Point | 150.0 CELSIUS AMBIENT AIR DEGC |
| Mounting Facility Quantity | 1 |
| Terminal Length | 0.700 INCHES MINIMUM IN |
| Mounting Method | TERMINAL AND UNTHREADED HOLE(S) |
| Criticality Code Justification | ZZZY |
| Semiconductor Material | SILICON |
| Internal Configuration | FIELD EFFECT |
| Current Rating Per Characteristic | 23.00 AMPERES MAXIMUM DRAIN CURRENT |
| Material | PLASTIC ENCLOSURE |
| Terminal Type and Quantity | 3 UNINSULATED WIRE LEAD |
| Reference Number Differentiating Characteristics | REFERENCE NUMBER DIFFERENTIATING MATERIAL WILL BE IAW NAVAL INVENTORY CONTROL POINT ACTIVITY HX(QUALITY CONTROL,MANUFACTURING ANS TESTING SPECIFICATIONS AVAILABLE AR THE DLA ICP |
| Power Rating Per Characteristic | 125.0 WATTS MAXIMUM TOTAL DEVICE DISSIPATION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| LO4374 | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA) |
| Reference | Meaning |
|---|---|
| IRFM460 | 5/9 Secondary reference International Rectifier Corporation |
| KFU165B | 5/9 Secondary reference Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution |
| KFU165B | 3/1 Design control — primary reference Drs Technologies, Inc Dba D R S Power & Control Technologies,inc |
| IRFM460 | 5/1 Secondary reference U.S. Government activity |
| KFU165B | 5/9 Secondary reference Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc |
| NBE1973 | 5/9 Secondary reference North Bay Electronics Inc |
| 0M1384SA | 5/1 Secondary reference International Rectifier Hirel Products, Inc. |
| SD10023 | 5/1 Secondary reference Solitron Devices, Inc. |
NSN 5961-01-331-3184 is a Transistor, manufactured by Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings), classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-331-3184 has 1 manufacturer part number on file: LO4374 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)).
1 possible match (shared part number, not a government interchangeability claim): 5961-01-619-8135. Verify interchangeability with system specifications before substitution.
Key specifications for LO4374: Overall Height: 0.249 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN; Voltage Rating in Volts Per Characteristic: 500.0 MAXIMUM DRAIN TO SOURCE VOLTAGE; Maximum Operating Temp Per Measurement Point: 150.0 CELSIUS AMBIENT AIR DEGC; Mounting Facility Quantity: 1. 13 specifications are 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.
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.