# NSN 5977-01-388-4239: Signal Block Assembly

NSN 5977-01-388-4239 (also written 5977013884239; NIIN 01-388-4239) is a signal block assembly in Federal Supply Class 5977, Electrical Contact Brushes and Electrodes. 1 manufacturer part number from 1 supplier is on record. No purchases are on record yet.

## Identification

- NSN: 5977-01-388-4239 (5977013884239)
- NIIN: 01-388-4239 (013884239)
- Item name: SIGNAL BLOCK ASSEMBLY
- Federal Supply Class: [FSC 5977 Electrical Contact Brushes and Electrodes](https://nsnexplorer.com/fsc/5977/)
- Federal Supply Group: [FSG 59](https://nsnexplorer.com/group/59/)
- Acquisition method suffix code: AMSC Z: a commercial, nondevelopmental or off-the-shelf item. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | NEXRAD (WSR-88D) |
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | ODD |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| C2263-20-1 | 17399 | ELECTRO-MINIATURES CORP. DBA ELECTRO MINIATURES CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5977013884239&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5977013884239
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- All data is public U.S. government data; every row above links to its source record where one exists.

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