The Fuse Link,electrical, cataloged under National Stock Number 5920-00-019-9044, 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 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-00-019-9044 |
| Primary Part Number | 9F57CAAA75 |
| 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 | 120.000 |
| Body Style | SLOTTED TYPE |
| Circuit Over-Current Interruption Delay Time in Seconds | 10.0 400 PCT OF CURRENT RATING |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 3.250 INCHES NOMINAL IN |
| Interruption Indicator Method | OPAQUE BODY |
| Maximum Voltage Rating in Volts | 600.0 AC |
| Material | COPPER ALLOY CASE |
| Circuit Over-Current Interruption Type | TIME DELAY |
| Mounting Slot Width | 0.250 INCHES NOMINAL IN |
| 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 |
|---|---|
| 9F57CAAA75 | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 9F57CAA075 | 3/9 Design control — primary reference General Electric Co Outdoor Breaker Business Section |
| 1600-751 | C/1 Advisory reference — outside the item-of-supply concept Airflo Instrument Company, the Dba Airflo Instrument Co |
NSN 5920-00-019-9044 is a Fuse Link,electrical, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-00-019-9044 has 1 manufacturer part number on file: 9F57CAAA75 (Lockheed Martin Corporation Div Rms).
3 possible matches (shared part number, not a government interchangeability claim): 5961-00-222-1541, 5950-00-232-9313, 3120-00-381-6883. Verify interchangeability with system specifications before substitution.
Key specifications for 9F57CAAA75: Continuous Current Rating in Amps: 120.000; Body Style: SLOTTED TYPE; Circuit Over-Current Interruption Delay Time in Seconds: 10.0 400 PCT OF CURRENT RATING; Center to Center Distance Between Mounting Facilities Parallel to Length: 3.250 INCHES NOMINAL IN. 9 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.