The Packing Nut, cataloged under National Stock Number 4730-00-307-0480, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-307-0480 |
| Item Name | Packing Nut |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Length to Shoulder | 0.710 INCHES NOMINAL IN |
| Hole or Slot Quantity | 4 |
| Thread Length | 0.395 INCHES NOMINAL IN |
| Material Document and Classification | MIL-S-5000, COMP 4340, COND E MIL SPEC SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND |
| Casehardening Indicator | NOT CASEHARDENED |
| Thread Size | 1.500-12 |
| Screw Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Surface Treatment | CADMIUM AND PAINT |
| Thread Class | 3A A |
| Major Unthreaded Outside Diameter | 1.372 INCHES MINIMUM AND 1.382 INCHES MAXIMUM IN |
| Screw Thread Location | EXTERNAL |
| Material | STEEL COMP E4340 |
| Slot Width | 0.130 INCHES NOMINAL IN |
| Smallest Inside Diameter | 0.772 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 1290211-101 | 3/2 Design control — primary reference U.S. Government activity |
| 1290211-101 | 5/2 Secondary reference U.S. Government activity |
NSN 4730-00-307-0480 is a Packing Nut, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-307-0480: Length to Shoulder: 0.710 INCHES NOMINAL IN; Hole or Slot Quantity: 4; Thread Length: 0.395 INCHES NOMINAL IN; Material Document and Classification: MIL-S-5000, COMP 4340, COND E MIL SPEC SINGLE MATERIAL RESPONSE. 15 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.