The Fuse,cartridge, cataloged under National Stock Number 5920-01-508-1800, 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 Mersen Usa Ep Corp. Dba Ferraz Shawmut. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5920-01-508-1800 |
| Primary Part Number | TRS30R |
| Item Name | Fuse,cartridge |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Mersen Usa Ep Corp. Dba Ferraz Shawmut |
| Status | CANCELLED |
| Continuous Current Rating in Amps | 30.000 |
| Body Style | TUBE TYPE |
| Circuit Over-Current Interruption Delay Time in Seconds | 10.0 500 PCT OF CURRENT RATING |
| Overall Diameter | 0.812 INCHES NOMINAL IN |
| Interruption Indicator Method | OPAQUE BODY |
| Features Provided | NONRENEWABLE FUSIBLE ELEMENT |
| Surface Treatment | NICKEL TERMINAL |
| Maximum Voltage Rating in Volts | 600.0 DC |
| Material | FIBER CASE |
| Circuit Over-Current Interruption Type | TIME DELAY |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| FRS-R-30 | Cooper Bussmann, Llc Dba Cooper Industries (USA) |
| TRS30R PRIMARY | Mersen Usa Ep Corp. Dba Ferraz Shawmut (USA) |
| Reference | Meaning |
|---|---|
| 5920015081800 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 5920-01-508-1800 is a Fuse,cartridge, manufactured by Mersen Usa Ep Corp. Dba Ferraz Shawmut, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: cancelled.
NSN 5920-01-508-1800 has 2 manufacturer part numbers on file: FRS-R-30 (Cooper Bussmann, Llc Dba Cooper Industries), TRS30R (Mersen Usa Ep Corp. Dba Ferraz Shawmut).
1 possible match (shared part number, not a government interchangeability claim): 5920-01-707-8394. Verify interchangeability with system specifications before substitution.
Key specifications for TRS30R: Continuous Current Rating in Amps: 30.000; Body Style: TUBE TYPE; Circuit Over-Current Interruption Delay Time in Seconds: 10.0 500 PCT OF CURRENT RATING; Overall Diameter: 0.812 INCHES NOMINAL IN. 10 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.
NSN 5920-01-508-1800 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.