# NSN 5999-01-577-3815: Harness Assembly, Si

NSN 5999-01-577-3815 (also written 5999015773815; NIIN 01-577-3815) is a harness assembly, si in Federal Supply Class 5999, Miscellaneous Electrical and Electronic Components. 2 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 5999-01-577-3815 (5999015773815)
- NIIN: 01-577-3815 (015773815)
- Item name: HARNESS ASSEMBLY,SI
- Federal Supply Class: [FSC 5999 Miscellaneous Electrical and Electronic Components](https://nsnexplorer.com/fsc/5999/)
- 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: 1

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 5151041-005 | 4U884 | RAYTHEON COMPANY DBA RAYTHEON CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| ABC56537-005 | 18863 | GLENAIR, INC. DBA GLENAIR 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=5999015773815&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5999015773815
- 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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