# NSN 5920-01-257-9548: Fuseholder, Block

NSN 5920-01-257-9548 (also written 5920012579548; NIIN 01-257-9548) is a fuseholder, block in Federal Supply Class 5920, Fuses, Arrestors, Absorbers, and Protectors. 4 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 5920-01-257-9548 (5920012579548)
- NIIN: 01-257-9548 (012579548)
- Item name: FUSEHOLDER,BLOCK
- Federal Supply Class: [FSC 5920 Fuses, Arrestors, Absorbers, and Protectors](https://nsnexplorer.com/fsc/5920/)
- Federal Supply Group: [FSG 59](https://nsnexplorer.com/group/59/)
- Acquisition method suffix code: AMSC R: the government owns neither the data nor the rights, and obtaining them is judged uneconomical. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| CQJL | CURRENT CARRYING RATING IN AMPS | 30.0 |
| ELEC | VOLTAGE IN VOLTS | 500.0 |
| FEAT | SPECIAL FEATURES | 3 POLE |
| SPCL | SPECIAL TEST FEATURES | 3555-3,FH25CM,MIL-F-21346 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 2805165000 | 76371 | MECHANICAL EQUIPMENT COMPANY, INC. DBA MECHANICAL EQUIPMENT CO INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 302-5324198 IT 28 (P | 53711 | NAVAL SEA SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3555-3 | 71400 | COOPER BUSSMANN, LLC DBA COOPER INDUSTRIES | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| FH25CM | 71400 | COOPER BUSSMANN, LLC DBA COOPER INDUSTRIES | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-10-01 | $4,929.5775 | 71 | 9A632 | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5920012579548) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-01 | [SPE7M527D60AC](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5920012579548) | FUSEHOLDER, BLOCK | — | $350,000.00 |
| 2026-08-05 | [SPE7M526V4107](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5920012579548) | FUSEHOLDER, BLOCK | — | $5,040.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5920012579548&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5920012579548
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- USAspending contract actions (each award above links to its record)
- All data is public U.S. government data; every row above links to its source record where one exists.

Canonical page: https://nsnexplorer.com/nsn/5920-01-257-9548/
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