# NSN 4320-01-525-0276: Seal Assembly, Shaft, Spring Loade

NSN 4320-01-525-0276 (also written 4320015250276; NIIN 01-525-0276) is a seal assembly, shaft, spring loade in Federal Supply Class 4320, Power and Hand Pumps. 2 manufacturer part numbers from 1 supplier are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 4320-01-525-0276 (4320015250276)
- NIIN: 01-525-0276 (015250276)
- Item name: SEAL ASSEMBLY,SHAFT,SPRING LOADE
- Federal Supply Class: [FSC 4320 Power and Hand Pumps](https://nsnexplorer.com/fsc/4320/)
- Federal Supply Group: [FSG 43](https://nsnexplorer.com/group/43/)
- Acquisition method suffix code: AMSC H: the government lacks sufficient, accurate or legible data to buy from other sources. (observed 2026-11-01)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | PUMP,CENTRIFUGAL (CA16813) |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | MECHANICAL SEAL |
| FEAT | SPECIAL FEATURES | SEAL: TYPE 1, 1 - 7/8IN DIA.; USED IN MECHANICAL SEAL GLAND |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 231-31-1502A | 83130 | AIR & LIQUID SYSTEMS CORPORATION DBA BUFFALO PUMPS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| PL.DH5060L-1 IT.NO.82 | 83130 | AIR & LIQUID SYSTEMS CORPORATION DBA BUFFALO PUMPS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE7M1-27-T-1799 | 5 | 2026-11-09 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4320015250276&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4320015250276&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320015250276
- 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/4320-01-525-0276/
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