The Packing Nut, cataloged under National Stock Number 4730-00-034-0997, 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 10 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. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-034-0997 |
| Primary Part Number | 5306-5 |
| Item Name | Packing Nut |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Goodrich Aerospace Canada Ltd |
| Status | ACTIVE |
| Thread Length | 0.687 INCHES NOMINAL IN |
| Style Designator | IRREGULAR |
| Thread Direction | RIGHT-HAND |
| Casehardening Indicator | NOT CASEHARDENED |
| Thread Size | 1 7/8-16 |
| Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Thread Class | 3A A |
| Screw Thread Location | EXTERNAL |
| Material | ALUMINUM ALLOY 2024 |
| Smallest Inside Diameter | 1.250 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 |
|---|---|
| 5306-5 PRIMARY | Goodrich Aerospace Canada Ltd (CAN) |
NSN 4730-00-034-0997 is a Packing Nut, manufactured by Goodrich Aerospace Canada Ltd, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-034-0997 has 1 manufacturer part number on file: 5306-5 (Goodrich Aerospace Canada Ltd).
5 possible matches (shared part number, not a government interchangeability claim): 5998-00-215-0403, 5998-00-631-6433, 5999-00-726-1337. Verify interchangeability with system specifications before substitution.
Key specifications for 5306-5: Thread Length: 0.687 INCHES NOMINAL IN; Style Designator: IRREGULAR; Overall Length: 1.281 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND. 10 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.