# NSN 4320-01-493-7959: Seal Assembly, Shaft, Spring Loade

NSN 4320-01-493-7959 (also written 4320014937959; NIIN 01-493-7959) is a seal assembly, shaft, spring loade in Federal Supply Class 4320, Power and Hand Pumps. 4 manufacturer part numbers from 1 supplier are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4320-01-493-7959 (4320014937959)
- NIIN: 01-493-7959 (014937959)
- 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 L: annual buy value is below the screening threshold. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | COMPRESSOR,TURBO,YDHCN-59 SINGLE STAGE |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | SEAL ASSEMBLY,SHAFT |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | DESIGN REFERENCE,SHAFT SPEED; 3000 TO 3600 RPM NORMAL, 4500 RPM MAXIMUN;NOMINAL FACE LOAD, 8.5LBS AT 1.125; O-RING MATERIAL TO BE PARKER N1173-70, NO SUBSTITUTION PERMITTED; OIL TO BE USED, NAPHTHENIC; ALKYL-BENZINE; PAO; ESTER OILS; CARBON MATERIAL, PURE P10225; NATIONAL MY10K; REFRIGERANT, R22; OIL, R134A; 80 PSI, DYNAMIC; 270 PS; MAXI STATIC; VACUUM, 50 DEGREES F TO 175 DEGREES F |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 029-21733-000 | 66935 | JOHNSON CONTROLS NAVY SYSTEMS, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 029-21733B000 | 66935 | JOHNSON CONTROLS NAVY SYSTEMS, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 364-48575-000 | 66935 | JOHNSON CONTROLS NAVY SYSTEMS, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 364-48575-000 REV D ITEM 122 | 66935 | JOHNSON CONTROLS NAVY SYSTEMS, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-24 | [SPE7M126P6765](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320014937959) | SEAL ASSEMBLY, SHAFT | JOHNSON CONTROLS NAVY SYSTEMS, LLC | $8,013.45 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4320014937959&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320014937959
- 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/4320-01-493-7959/
JSON: https://nsnexplorer.com/api/nsn/4320-01-493-7959.json
