The Packing Nut, cataloged under National Stock Number 4730-00-847-7245, 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 Aerospace Canada Ltd. Government technical data includes 14 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-847-7245 |
| Primary Part Number | 5161-5 |
| Item Name | Packing Nut |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Goodrich Aerospace Canada Ltd |
| Status | ACTIVE |
| Length to Shoulder | 1.344 INCHES NOMINAL IN |
| Width Across Flats | 1.627 INCHES NOMINAL IN |
| Strength Rating | ERR-060 |
| Thread Length | 1.062 INCHES NOMINAL IN |
| Style Designator | HEXAGON, INTERNAL THREAD, SHOULDERED |
| Thread Direction | RIGHT-HAND |
| Casehardening Indicator | NOT CASEHARDENED |
| Thread Size | 1-3/16IN-16 IN |
| Screw Thread Series Designator | UN |
| Thread Class | 3B |
| Major Unthreaded Outside Diameter | 1.375 INCHES NOMINAL IN |
| Screw Thread Location | INTERNAL |
| Material | STEEL COMP 4130 |
| Smallest Inside Diameter | 1.200 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 |
|---|---|
| 5161-5 PRIMARY | Goodrich Aerospace Canada Ltd (CAN) |
NSN 4730-00-847-7245 is a Packing Nut, manufactured by Goodrich Aerospace Canada Ltd, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-847-7245 has 1 manufacturer part number on file: 5161-5 (Goodrich Aerospace Canada Ltd).
1 possible match (shared part number, not a government interchangeability claim): 6530-01-318-2972. Verify interchangeability with system specifications before substitution.
Key specifications for 5161-5: Length to Shoulder: 1.344 INCHES NOMINAL IN; Width Across Flats: 1.627 INCHES NOMINAL IN; Strength Rating: ERR-060; Thread Length: 1.062 INCHES NOMINAL IN. 14 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.