The Packing Nut, cataloged under National Stock Number 4730-00-273-9510, 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 King Engineering Corporation Dba King-Gage Systems. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 4730-00-273-9510 |
| Primary Part Number | E3115-5PC4007 |
| Item Name | Packing Nut |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | King Engineering Corporation Dba King-Gage Systems |
| Status | ACTIVE |
| Hole or Slot Quantity | 4 |
| Thread Length | 0.375 INCHES NOMINAL IN |
| Style Designator | ROUND SLOTTED, EXTERNAL THREAD, BOSS |
| Thread Direction | RIGHT-HAND |
| Casehardening Indicator | NOT CASEHARDENED |
| Thread Size | 0.750-20 |
| Screw Thread Series Designator | UNF |
| Thread Class | 3A A |
| Screw Thread Location | EXTERNAL |
| Material | STEEL |
| Slot Width | 0.125 INCHES NOMINAL IN |
| Smallest Inside Diameter | 0.480 INCHES MINIMUM AND 0.485 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 |
| Part Number | Manufacturer |
|---|---|
| E3115-5PC4007 PRIMARY | King Engineering Corporation Dba King-Gage Systems (USA) |
| 4007 PRIMARY | King Engineering Corporation Dba King-Gage Systems (USA) |
| Reference | Meaning |
|---|---|
| 4007 | 5/9 Secondary reference Spalla Inc |
NSN 4730-00-273-9510 is a Packing Nut, manufactured by King Engineering Corporation Dba King-Gage Systems, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-273-9510 has 2 manufacturer part numbers on file: E3115-5PC4007 (King Engineering Corporation Dba King-Gage Systems), 4007 (King Engineering Corporation Dba King-Gage Systems).
Key specifications for E3115-5PC4007: Hole or Slot Quantity: 4; Thread Length: 0.375 INCHES NOMINAL IN; Style Designator: ROUND SLOTTED, EXTERNAL THREAD, BOSS; Overall Length: 0.375 INCHES NOMINAL IN. 12 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.