The Packing Nut, cataloged under National Stock Number 4730-01-284-1184, 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 Goodrich Corporation. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 4730-01-284-1184 |
| Primary Part Number | 9755B48 |
| Item Name | Packing Nut |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Goodrich Corporation |
| Status | ACTIVE |
| Hole or Slot Quantity | 4 |
| Largest Inside Diameter | 3.875 INCHES NOMINAL IN |
| Thread Length | 0.210 INCHES NOMINAL IN |
| Style Designator | ROUND, INTERNAL THREAD, SHOULDERED |
| Thread Pitch Diameters | +4.6959 TO 4.7024 INCHES IN |
| Smallest Outside Diameter | 0.005 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Casehardening Indicator | NOT CASEHARDENED |
| Thread Size | 4.750-12 |
| Protrusion Quantity | 4 |
| Screw Thread Series Designator | UNF |
| Thread Class | 3B |
| Major Unthreaded Outside Diameter | 5.487 INCHES NOMINAL IN |
| Screw Thread Location | INTERNAL |
| Material | ALUMINUM ALLOY 2024 |
| Slot Width | 0.440 INCHES NOMINAL IN |
| 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 |
|---|---|
| 9755B48 PRIMARY | Goodrich Corporation (USA) |
| Reference | Meaning |
|---|---|
| 9755B48 | 3/9 Design control — primary reference Goodrich Corporation Div Advanced Structures Landing Systems |
NSN 4730-01-284-1184 is a Packing Nut, manufactured by Goodrich Corporation, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-284-1184 has 1 manufacturer part number on file: 9755B48 (Goodrich Corporation).
Key specifications for 9755B48: Hole or Slot Quantity: 4; Largest Inside Diameter: 3.875 INCHES NOMINAL IN; Thread Length: 0.210 INCHES NOMINAL IN; Style Designator: ROUND, INTERNAL THREAD, SHOULDERED. 16 specifications are documented in the U.S. Government catalog.
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.