# NSN 5330-01-503-5231: Ring, Oil Control

NSN 5330-01-503-5231 (also written 5330015035231; NIIN 01-503-5231) is a ring, oil control in Federal Supply Class 5330, Packing and Gasket Materials. 3 manufacturer part numbers from 1 supplier are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 5330-01-503-5231 (5330015035231)
- NIIN: 01-503-5231 (015035231)
- Item name: RING,OIL CONTROL
- Federal Supply Class: [FSC 5330 Packing and Gasket Materials](https://nsnexplorer.com/fsc/5330/)
- Federal Supply Group: [FSG 53](https://nsnexplorer.com/group/53/)
- Acquisition method suffix code: AMSC R: the government owns neither the data nor the rights, and obtaining them is judged uneconomical. (observed 2026-10-28)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | PROPULSION LINE SHAFT BEARING ASSEMBLY |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | OIL DISC |
| FEAT | SPECIAL FEATURES | 2 MATCHED HALVES PER PART |
| MATT | MATERIAL | STEEL |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 100175 | 70508 | AMERICAN METAL BEARING CO DBA AMB ENGINEERING & MACHINING SOLUTIONS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 98006 REV D FIND NO 7 | 70508 | AMERICAN METAL BEARING CO DBA AMB ENGINEERING & MACHINING SOLUTIONS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 98006PN07 | 70508 | AMERICAN METAL BEARING CO DBA AMB ENGINEERING & MACHINING SOLUTIONS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-26 | [SPE7L325P3462](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5330015035231) | RING, OIL CONTROL | AMERICAN METAL BEARING CO DBA AMB ENGINEERING & MACHINING SOLUTIONS | $48,062.04 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5330015035231&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5330015035231
- 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/5330-01-503-5231/
JSON: https://nsnexplorer.com/api/nsn/5330-01-503-5231.json