# NSN 4320-01-056-4331: Seal Assembly, Shaft, Spring Loade

NSN 4320-01-056-4331 (also written 4320010564331; NIIN 01-056-4331) is a seal assembly, shaft, spring loade in Federal Supply Class 4320, Power and Hand Pumps. 5 manufacturer part numbers from 4 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 4320-01-056-4331 (4320010564331)
- NIIN: 01-056-4331 (010564331)
- 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 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 |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | F-16 AIRCRAFT |
| CRTL | CRITICALITY CODE JUSTIFICATION | FEAT |
| FEAT | SPECIAL FEATURES | WEAPON SYSTEM ESSENTIAL |
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | CROSS SECT W 0.446 IN. OUTSIDE DIA 1.002 IN. ASSY COMPONENTS SHELL ASSY 00-805087,SEAL RING ADAPTER 00-050010,SPRING 06-004385,O'RING 16-010563,O'RING 16-010873,SHELL COATED W/ POLYTETRAFLUOROETHYLENE |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 558-0050-015 | 0BT82 | GITS MFG CO INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 58-050-15 | 0BT82 | GITS MFG CO INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 58-050-15 | 24981 | APACHE CORP GITS BROS MFG CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 58-050-15 | 91587 | REXNORD INDUSTRIES, LLC DIV AEROSPACE SOLUTIONS DOWNERS GROVE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 81296-050-15 | 86090 | EATON CORPORATION DBA AIRFRAME | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE7M1-27-U-0667 | 154 | 2026-10-21 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4320010564331&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4320010564331&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320010564331
- 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/4320-01-056-4331/
JSON: https://nsnexplorer.com/api/nsn/4320-01-056-4331.json