The Packing Nut, cataloged under National Stock Number 4730-01-515-3579, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Fmc Technologies Inc Dba Fmc Fluid Control. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Packing Nut |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | Fmc Technologies Inc Dba Fmc Fluid Control (CAGE 71454) |
| Parameter | Value |
|---|---|
| NSN | 4730-01-515-3579 |
| Primary Part Number | P510611 |
| Item Name | Packing Nut |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Fmc Technologies Inc Dba Fmc Fluid Control |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| P510611 PRIMARY | Fmc Technologies Inc Dba Fmc Fluid Control (USA) |
| P510689 ITEM 26 | Fmc Technologies Inc Dba Fmc Fluid Control (USA) |
| Reference | Meaning |
|---|---|
| P510689 | D/9 Drawing number reference only Fmc Technologies Inc Dba Fmc Fluid Control |
NSN 4730-01-515-3579 is a Packing Nut, manufactured by Fmc Technologies Inc Dba Fmc Fluid Control, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-515-3579 has 2 manufacturer part numbers on file: P510611 (Fmc Technologies Inc Dba Fmc Fluid Control), P510689 ITEM 26 (Fmc Technologies Inc Dba Fmc Fluid Control).
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.