The Ringx Earing, cataloged under National Stock Number 4320-00-146-0146, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Fairbanks Morse, Llc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Ringx Earing |
| FSC / FSG | 4320 — Power and Hand Pumps (FSG 43) |
| Manufacturers | Fairbanks Morse, Llc (CAGE 7PZX0); Pentair Pump Group, Inc. Dba Fairbanks Morse Pump (CAGE 10613) |
| Parameter | Value |
|---|---|
| NSN | 4320-00-146-0146 |
| Primary Part Number | CR4L13 |
| Item Name | Ringx Earing |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Fairbanks Morse, Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| CR4L13 PRIMARY | Fairbanks Morse, Llc (USA) |
| 51766-15 PRIMARY | Fairbanks Morse, Llc (USA) |
| SR4R13 PRIMARY | Pentair Pump Group, Inc. Dba Fairbanks Morse Pump (USA) |
| Reference | Meaning |
|---|---|
| 5-56788PC36 | 5/9 Secondary reference Pentair Pump Group, Inc. Dba Fairbanks Morse Pump |
| CR4L13 | 5/9 Secondary reference U.S. Government activity |
| 51766-15 | 5/9 Secondary reference U.S. Government activity |
NSN 4320-00-146-0146 is a Ringx Earing, manufactured by Fairbanks Morse, Llc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-146-0146 has 3 manufacturer part numbers on file: CR4L13 (Fairbanks Morse, Llc), 51766-15 (Fairbanks Morse, Llc), SR4R13 (Pentair Pump Group, Inc. Dba Fairbanks Morse Pump).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.