The Packing Nut, cataloged under National Stock Number 4730-00-874-5558, 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 Linde Material Handling North America Corporation. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, 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 | 4730-00-874-5558 |
| Primary Part Number | 390MAG1 |
| Item Name | Packing Nut |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Linde Material Handling North America Corporation |
| Status | ACTIVE |
| Hole Diameter | 0.420 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Screw Thread Series Designator | UNS |
| Thread Size | 3-15/16IN-12 AND 2-1/8IN-12 IN |
| Screw Thread Location | INTERNAL |
| Thread Length | 0.437 INCHES NOMINAL AND 0.500 INCHES NOMINAL IN |
| Style Designator | ROUND, EXTERNAL THREAD, INVERTED FLARE |
| Major Unthreaded Outside Diameter | 3.719 INCHES MINIMUM AND 3.938 INCHES MAXIMUM IN |
| Seat Angle in Deg | 45.0 |
| Hole or Slot Quantity | 2 |
| Smallest Inside Diameter | 1.531 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Material | STEEL COMP 1117 |
| Thread Class | 3A AND 2B A |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4730-00-874-5558 is a Packing Nut, manufactured by Linde Material Handling North America Corporation, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-874-5558 has 5 cross-referenced part numbers: 390MAG1 (Linde Lift Truck Corp.), 390MAG1 (Linde Material Handling North America Corporation), B7812-9 (Pettibone Llc), A5061 (Hyco Inc), P67444 (Athey Products Corp).
There are 3 known substitutes for 4730-00-874-5558: 6210-00-443-4662, 2590-00-737-1566, 2825-01-033-6616. Verify interchangeability with system specifications before substitution.
Key specifications for 390MAG1: Hole Diameter: 0.420 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN; Thread Direction: RIGHT-HAND; Screw Thread Series Designator: UNS; Thread Size: 3-15/16IN-12 AND 2-1/8IN-12 IN. 15 total characteristics are documented in the Federal Logistics Information System.