# NSN 9650-01-608-4550: Fusible Alloy

NSN 9650-01-608-4550 (also written 9650016084550; NIIN 01-608-4550) is a fusible alloy in Federal Supply Class 9650, Nonferrous Base Metal Refinery and Intermediate Forms. 2 manufacturer part numbers from 1 supplier are on record. No purchases are on record yet.

## Identification

- NSN: 9650-01-608-4550 (9650016084550)
- NIIN: 01-608-4550 (016084550)
- Item name: FUSIBLE ALLOY
- Federal Supply Class: [FSC 9650 Nonferrous Base Metal Refinery and Intermediate Forms](https://nsnexplorer.com/fsc/9650/)
- Federal Supply Group: [FSG 96](https://nsnexplorer.com/group/96/)
- Acquisition method suffix code: AMSC D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| FEAT | SPECIAL FEATURES | MATERIAL IS ASTM B774 ALLOY 174, MELTING TEMPATURE 174 DEGREES. |
| BBRC | COMPOSITION AND PERCENTAGE | MAXIMUM BY WEIGHT BISMUTH 57.0 AND MAXIMUM BY WEIGHT INDIUM 26.0 AND MAXIMUM BY WEIGHT TIN 17.0 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | BISMUTH ALLOY INGOT |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 5700-1 BOLTON 174 | 78764 | BOLTON METAL PRODUCTS CO. INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| LB250002 | 78764 | BOLTON METAL PRODUCTS CO. 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=9650016084550&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=9650016084550
- 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/9650-01-608-4550/
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