# NSN 4920-01-616-4271: Sizing Ring, Seal, Hydraulic Actua

NSN 4920-01-616-4271 (also written 4920016164271; NIIN 01-616-4271) is a sizing ring, seal, hydraulic actua in Federal Supply Class 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. 3 manufacturer part numbers from 1 supplier are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 4920-01-616-4271 (4920016164271)
- NIIN: 01-616-4271 (016164271)
- Item name: SIZING RING,SEAL,HYDRAULIC ACTUA
- Federal Supply Class: [FSC 4920 Aircraft Maintenance and Repair Shop Specialized Equipment](https://nsnexplorer.com/fsc/4920/)
- Federal Supply Group: [FSG 49](https://nsnexplorer.com/group/49/)
- Acquisition method suffix code: AMSC D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-11-08)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | RING,CASE,REAR (UNDERSIZE) |
| AGAV | END ITEM IDENTIFICATION | CENTRIFUGAL PUMP,CVN-78 |
| FEAT | SPECIAL FEATURES | HAZARDOUS MATERIAL REVIEW HAS BEEN PERFORMED PER STR-700 FOR RECYCLING/DISPOSAL PURPOSES,HAZARDOUS MATERIAL HAS BEEN IDENTIFIED. |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 0654C0736C036A | 63857 | CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 654C0736 | 63857 | CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| PL-999F0934 FIND NO 31 | 63857 | CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE7M1-27-T-2346 | 1 | 2026-11-16 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4920016164271&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4920016164271&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4920016164271
- 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/4920-01-616-4271/
JSON: https://nsnexplorer.com/api/nsn/4920-01-616-4271.json