# NSN 4320-01-281-3912: Seal Assembly, Shaft, Spring Loade

NSN 4320-01-281-3912 (also written 4320012813912; NIIN 01-281-3912) is a seal assembly, shaft, spring loade in Federal Supply Class 4320, Power and Hand Pumps. 5 manufacturer part numbers from 3 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 4320-01-281-3912 (4320012813912)
- NIIN: 01-281-3912 (012813912)
- 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 P: the government does not own the rights to the data needed for more sources. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | PUMP,CENTRIFUGAL |
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | INCLUDES SPRING HOLDER,SPRING,DRIVE RING,RETAINER,FLEXIBLE DIAPHRAGM,WASHER,O-RING,SEAT |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| CF-SP-78415TY21SZ1.00-BF501D0 | 71724 | JOHN CRANE, INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| GCP-823 PIECE 16 | 16062 | M.T. DAVIDSON COMPANY DIV M.T. DAVIDSON | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| M49493 | 71724 | JOHN CRANE, INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| N-SP-00321 XF91MO15M | 0SYN4 | WARTSILA LIPS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| N-SP-00321 XF91MO15M | 71724 | JOHN CRANE, 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=4320012813912&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320012813912
- 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/4320-01-281-3912/
JSON: https://nsnexplorer.com/api/nsn/4320-01-281-3912.json