The Fuse,cartridge, cataloged under National Stock Number 5920-01-541-6217, 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 Helmer Scientific Llc Dba Helmer. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5920-01-541-6217 |
| Primary Part Number | 1-27-079 |
| Item Name | Fuse,cartridge |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Helmer Scientific Llc Dba Helmer |
| Status | ACTIVE |
| Continuous Current Rating in Amps | 12.500 |
| Body Style | TUBE TYPE |
| Overall Diameter | 5.0 MILLIMETERS NOMINAL MM |
| Interruption Indicator Method | OPAQUE BODY |
| Features Provided | NONRENEWABLE FUSIBLE ELEMENT |
| 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 |
|---|---|
| 1-27-079 PRIMARY | Helmer Scientific Llc Dba Helmer (USA) |
| Reference | Meaning |
|---|---|
| 1-27-079 | 3/9 Design control — primary reference Thermogenesis Corp. Dba Thermogenesis Corp |
NSN 5920-01-541-6217 is a Fuse,cartridge, manufactured by Helmer Scientific Llc Dba Helmer, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-541-6217 has 1 manufacturer part number on file: 1-27-079 (Helmer Scientific Llc Dba Helmer).
2 possible matches (shared part number, not a government interchangeability claim): 5841-01-633-5098, 5895-01-640-9951. Verify interchangeability with system specifications before substitution.
Key specifications for 1-27-079: Continuous Current Rating in Amps: 12.500; Body Style: TUBE TYPE; Overall Diameter: 5.0 MILLIMETERS NOMINAL MM; Overall Length: 20.0 MILLIMETERS NOMINAL MM. 6 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.