# NSN 4320-01-443-1043: Ring, Wearing

NSN 4320-01-443-1043 (also written 4320014431043; NIIN 01-443-1043) is a ring, wearing in Federal Supply Class 4320, Power and Hand Pumps. 3 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 4320-01-443-1043 (4320014431043)
- NIIN: 01-443-1043 (014431043)
- 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 C: needs engineering source approval; other sources must qualify first. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAQL | BODY STYLE | — |
| ABHP | OVERALL LENGTH | INCHES NOMINAL 1.130 |
| ADAR | BODY OUTSIDE DIAMETER | INCHES NOMINAL 9.690 |
| ADAS | BODY INSIDE DIAMETER | INCHES NOMINAL 8.662 |
| AJFM | END TO FLANGE DISTANCE | INCHES NOMINAL 0.175 |
| AYRJ | CENTER FLANGE THICKNESS | INCHES NOMINAL 0.480 |
| AYRK | SMALLEST EXTERNAL ANCHOR FLANGE RADIUS | INCHES NOMINAL 4.750 |
| AYRL | LARGEST EXTERNAL ANCHOR FLANGE RADIUS | INCHES NOMINAL 4.940 |
| AYRM | DISTANCE BELOW CENTERLINE | INCHES NOMINAL 0.190 |
| BZLX | CORNER SHAPE | ALL CORNERS SQUARE |
| FEAT | SPECIAL FEATURES | MATERIAL IS "SIMSITE GRADE 302 (PHENOLIC LAMINATE) |
| MATT | MATERIAL | PLASTIC |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL STD SINGLE MATERIAL RESPONSE NAVSEA DWG 803-7226047 |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 0654C0710 | 63857 | CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 0654C0710S902A | 63857 | CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| NA1074NICUAL | 83130 | AIR & LIQUID SYSTEMS CORPORATION DBA BUFFALO PUMPS | [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=4320014431043&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320014431043
- 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/4320-01-443-1043/
JSON: https://nsnexplorer.com/api/nsn/4320-01-443-1043.json