The Packing Nut, cataloged under National Stock Number 4730-00-306-1279, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Grove Valve Operations. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-306-1279 |
| Primary Part Number | 50609 |
| Item Name | Packing Nut |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Grove Valve Operations |
| Status | ACTIVE |
| Thread Size | 0.625-18 |
| Smallest Inside Diameter | 0.328 INCHES NOMINAL IN |
| Width Across Flats | 0.812 INCHES NOMINAL IN |
| Screw Thread Location | EXTERNAL |
| Style Designator | HEXAGON, EXTERNAL THREAD, INVERTED FLARE |
| Screw Thread Series Designator | UNF |
| Material | COPPER ALLOY |
| Thread Class | 2A A |
| Thread Direction | RIGHT-HAND |
| Thread Length | 0.500 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 50609 PRIMARY | Grove Valve Operations (USA) |
NSN 4730-00-306-1279 is a Packing Nut, manufactured by Grove Valve Operations, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-306-1279 has 1 cross-referenced part number: 50609 (Grove Valve Operations).
There are 3 known substitutes for 4730-00-306-1279: 3455-00-185-4899, 2930-01-037-4048, 5998-01-054-0582. Verify interchangeability with system specifications before substitution.
Key specifications for 50609: Thread Size: 0.625-18; Smallest Inside Diameter: 0.328 INCHES NOMINAL IN; Width Across Flats: 0.812 INCHES NOMINAL IN; Screw Thread Location: EXTERNAL. 12 total characteristics are documented in the Federal Logistics Information System.