# NSN 5977-01-521-7090: Ring, Electrical Contact

NSN 5977-01-521-7090 (also written 5977015217090; NIIN 01-521-7090) is a ring, electrical contact in Federal Supply Class 5977, Electrical Contact Brushes and Electrodes. 2 manufacturer part numbers from 1 supplier are on record. No purchases are on record yet.

## Identification

- NSN: 5977-01-521-7090 (5977015217090)
- NIIN: 01-521-7090 (015217090)
- Item name: RING,ELECTRICAL CONTACT
- 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 C: needs engineering source approval; other sources must qualify first. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABKV | OUTSIDE DIAMETER | INCHES NOMINAL 9.453 |
| ABKW | OVERALL HEIGHT | INCHES NOMINAL 0.438 |
| AGAV | END ITEM IDENTIFICATION | INFRARED TRANSMITTER |
| FEAT | SPECIAL FEATURES | DRAWING CALLS THIS: INNER RING ASSY. |
| MATT | MATERIAL | COPPER ALLOY |
| SHPE | SHAPE | CYLINDRICAL |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 40063 PART NO.5 | 52115 | BRANTNER AND ASSOCIATES, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 40063-5 | 52115 | BRANTNER AND ASSOCIATES, INC. | [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=5977015217090&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5977015217090
- 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.

Canonical page: https://nsnexplorer.com/nsn/5977-01-521-7090/
JSON: https://nsnexplorer.com/api/nsn/5977-01-521-7090.json