# NSN 4320-01-137-4545: Seal Assembly, Shaft, Spring Loade

NSN 4320-01-137-4545 (also written 4320011374545; NIIN 01-137-4545) is a seal assembly, shaft, spring loade in Federal Supply Class 4320, Power and Hand Pumps. 11 manufacturer part numbers from 7 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 4320-01-137-4545 (4320011374545)
- NIIN: 01-137-4545 (011374545)
- 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 C: needs engineering source approval; other sources must qualify first. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | CONSISTS OF VITON O-RINGS AND BELLOWS; NICKEL BOUND TUNGSTEN CARBIDE STATIONARY MATING RING; AND STAINLESS STEELTYPE 316 SPRINGS AND METAL PARTS |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 320-1750-000 | 51064 | ROBBINS AND MYERS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 320-1750-000 | 88758 | ROBBINS AND MYERS INC FLUIDS HANDLING DIV MOTNO INDISTRIAL PRODUCTS BUSINESS UNIT | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 320-1750-000 | U4272 | MARSHALL-ORR LTD | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 36701 ITEM 69 | 51064 | ROBBINS AND MYERS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 36701 ITEM 69 | 53918 | SEPARATION & RECOVERY SYSTEMS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| CFS80303/X/QF2010151316 | 0SYN4 | WARTSILA LIPS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| CFS80303/X/QF2010151316 | 71724 | JOHN CRANE, INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| CFSP-80303 | 71724 | JOHN CRANE, INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| CFSP67468/BF501C1 | 71724 | JOHN CRANE, INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| M49084 | 71724 | JOHN CRANE, INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| PC1204-40 | 63269 | PARMATIC POLLUTION CONTROL CORPORATION DBA PARMATIC FILTER | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-28 | $11,135.38 | 4 | HC MERCHANDISERS, INC. DBA HC MERCHANDISERS INC DIV HC PACIFIC | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320011374545) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-06 | [SPE7M127P0154](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320011374545) | SEAL ASSEMBLY, SHAFT | AVIARMS SUPPORT CORP | $19,800.00 |
| 2026-09-28 | [SPE7M126PA706](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320011374545) | SEAL ASSEMBLY, SHAFT | HC MERCHANDISERS, INC. DBA HC MERCHANDISERS INC DIV HC PACIFIC | $44,541.52 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4320011374545&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320011374545
- 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/4320-01-137-4545/
JSON: https://nsnexplorer.com/api/nsn/4320-01-137-4545.json