The Packing Nut, cataloged under National Stock Number 4730-00-244-0064, 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 Ge Ruska Instrument Corporation Div Ge Sensing Solutions Inc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-244-0064 |
| Primary Part Number | 2440-800-40802 |
| Item Name | Packing Nut |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Ge Ruska Instrument Corporation Div Ge Sensing Solutions Inc |
| Status | ACTIVE |
| Hole or Slot Quantity | 2 |
| Thread Direction | RIGHT-HAND |
| Casehardening Indicator | NOT CASEHARDENED |
| Thread Length | 0.135 INCHES NOMINAL IN |
| Style Designator | ROUND, INTERNAL THREAD, SHOULDERED |
| Smallest Inside Diameter | 2.219 INCHES MINIMUM AND 2.254 INCHES MAXIMUM IN |
| Major Unthreaded Outside Diameter | 2.900 INCHES NOMINAL IN |
| Length to Shoulder | 0.266 INCHES MINIMUM IN |
| Screw Thread Location | INTERNAL |
| Material | STEEL COMP 416 |
| Thread Size | 2-1/4-16 |
| Screw Thread Series Designator | UN |
| Hole Diameter | 0.219 INCHES NOMINAL IN |
| Thread Class | 2B |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2440-901-5 | Ge Ruska Instrument Corporation Div Ge Sensing Solutions Inc (USA) |
| 2440-800-40802 PRIMARY | Ge Ruska Instrument Corporation Div Ge Sensing Solutions Inc (USA) |
| 2440-5 | Ge Ruska Instrument Corporation Div Ge Sensing Solutions Inc (USA) |
NSN 4730-00-244-0064 is a Packing Nut, manufactured by Ge Ruska Instrument Corporation Div Ge Sensing Solutions Inc, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-244-0064 has 3 cross-referenced part numbers: 2440-901-5 (Ge Ruska Instrument Corporation Div Ge Sensing Solutions Inc), 2440-800-40802 (Ge Ruska Instrument Corporation Div Ge Sensing Solutions Inc), 2440-5 (Ge Ruska Instrument Corporation Div Ge Sensing Solutions Inc).
There are 6 known substitutes for 4730-00-244-0064: 5120-00-221-1506, 5930-00-549-0732, 3030-00-791-1357 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2440-800-40802: Hole or Slot Quantity: 2; Thread Direction: RIGHT-HAND; Casehardening Indicator: NOT CASEHARDENED; Thread Length: 0.135 INCHES NOMINAL IN. 15 total characteristics are documented in the Federal Logistics Information System.