The Fuse Link,electrical, cataloged under National Stock Number 5920-00-438-4970, is classified within Federal Supply Class 5920 (Fuses, Arrestors, Absorbers, and Protectors) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corporation Div Rms. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-00-438-4970 |
| Primary Part Number | 9F51CAT025 |
| Item Name | Fuse Link,electrical |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Continuous Current Rating in Amps | 25.000 |
| Body Style | PIGTAIL TYPE |
| Overall Diameter | 0.750 INCHES NOMINAL IN |
| Interruption Indicator Method | VISIBLE ELEMENT |
| Nondefinitive Spec/std Data | T TYPE AND 25 SIZE |
| Maximum Voltage Rating in Volts | 15000.0 AC |
| Circuit Over-Current Interruption Type | NORMAL INSTANTANEOUS |
| 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 |
|---|---|
| 9F51CAT025 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| FL11T25 | 5/9 Secondary reference Mcgraw-Edison Power System Div |
| M25T26 | 5/9 Secondary reference La Chance Ltd |
NSN 5920-00-438-4970 is a Fuse Link,electrical, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-00-438-4970 has 1 manufacturer part number on file: 9F51CAT025 (Lockheed Martin Corporation Div Rms).
Key specifications for 9F51CAT025: Continuous Current Rating in Amps: 25.000; Body Style: PIGTAIL TYPE; Overall Diameter: 0.750 INCHES NOMINAL IN; Overall Length: 20.000 INCHES MINIMUM IN. 7 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.
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.