# NSN 4320-01-553-7964: Ring, Wearing

NSN 4320-01-553-7964 (also written 4320015537964; NIIN 01-553-7964) is a ring, wearing in Federal Supply Class 4320, Power and Hand Pumps. 4 manufacturer part numbers from 4 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4320-01-553-7964 (4320015537964)
- NIIN: 01-553-7964 (015537964)
- Item name: RING,WEARING
- 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 2026-10-23)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | 850J MEDIUM BULLDOZER |
| FEAT | SPECIAL FEATURES | CATALOG 9465, GRID 3L14, SECTION 3265, PG 13: BORE DIAM 70.000MM, INNERDIAM 69.963MM, SECTION WIDTH 31.100MM,GAP 3.750MM |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| H158437 | 75160 | DEERE & CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| H158437 | Z0944 | HITACHI CONSTRUCTION MACHINERY AUST AUSTRALIA PTY LTD HITACHI CONSTRUCTION MACHINERY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| H158437 | Z14G0 | RDO EQUIPMENT PTY LTD | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| H158437 | ZB955 | RDO EQUIPMENT RDO EQUIPMENT PTY LTD | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-10 | [SPE7LX22D0068/SPE7L126FAQF1](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320015537964) | RING, WEARING | RDO AGRICULTURE EQUIPMENT CO | $197.75 |
| 2026-08-28 | [SPE7LX22D0068/SPE7L126FAKC4](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320015537964) | RING, WEARING | RDO AGRICULTURE EQUIPMENT CO | $79.10 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4320015537964&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320015537964
- 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/4320-01-553-7964/
JSON: https://nsnexplorer.com/api/nsn/4320-01-553-7964.json