# NSN 4320-01-504-3402: Ring, Wearing

NSN 4320-01-504-3402 (also written 4320015043402; NIIN 01-504-3402) is a ring, wearing in Federal Supply Class 4320, Power and Hand Pumps. 4 manufacturer part numbers from 1 supplier are on record. No purchases are on record yet.

## Identification

- NSN: 4320-01-504-3402 (4320015043402)
- NIIN: 01-504-3402 (015043402)
- 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 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | 3 X 2 -13 JP-5 SERVICE PUMP |
| FEAT | SPECIAL FEATURES | INSIDE DIAMETER OF WEAR RING (ITEM 7) IS UNDERSIZE WHEN FURNISHED AS A REPAIR PART AND IS DESIGNATED AS ITEM 999-4213-B-05-7A |
| MATT | MATERIAL | COPPER ALLOY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASSN STD SINGLE MATERIAL RESPONSE AST- B505, UNS C91000 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 999-4213-B-05 | 10941 | CARVER PUMP COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 999-4213-B-05 ITEM 7A | 10941 | CARVER PUMP COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 999-4213-B-05-7A | 10941 | CARVER PUMP COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| US7-04-022-274 | 10941 | CARVER PUMP COMPANY | [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=4320015043402&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320015043402
- 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/4320-01-504-3402/
JSON: https://nsnexplorer.com/api/nsn/4320-01-504-3402.json