The Packing Nut, cataloged under National Stock Number 4730-00-344-0769, 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 Naval Sea Systems Command. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 28 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-344-0769 |
| Primary Part Number | 172S46-4-3PC30 |
| Item Name | Packing Nut |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Thread Length | 0.560 INCHES NOMINAL IN |
| Slot Width | 0.216 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2A A |
| Hole or Slot Quantity | 2 |
| Style Designator | ROUND SLOTTED, EXTERNAL THREAD, BOSS |
| Major Unthreaded Outside Diameter | 0.865 INCHES NOMINAL IN |
| Smallest Inside Diameter | 0.558 INCHES NOMINAL IN |
| Protrusion Quantity | 4 |
| Screw Thread Location | EXTERNAL |
| Material | COPPER ALLOY |
| Thread Size | 7/8-14 |
| Screw Thread Series Designator | UNF |
| Casehardening Indicator | NOT CASEHARDENED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| DR84520-11 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA) |
| 172S46-4-3PC30 PRIMARY | Naval Sea Systems Command (USA) |
| SK50781PC27003 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA) |
| 63S46-4-8PC6 | Naval Ship Systems Command (USA) |
| DR84341PC11 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA) |
| DY84520PC11 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA) |
| 172S46-4-4PC28 | Naval Ship Systems Command (USA) |
| SK50781 | Nitech Inc Dba Nitech Engineered Vacuum Systems (USA) |
| DR84146PC28 | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| DR84148PC32 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA) |
| DR84335PC11 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA) |
| DY84123PC6 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA) |
| DR83851PC30 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA) |
| SL4261-13 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA) |
| DR84147PC28 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA) |
| DR84146PC28 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA) |
| DR84500PC28 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA) |
| 63S46-4-8PC6 PRIMARY | Naval Sea Systems Command (USA) |
| DR84149PC32 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA) |
| DY84125PC6 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA) |
NSN 4730-00-344-0769 is a Packing Nut, manufactured by Naval Sea Systems Command, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-344-0769 has 28 cross-referenced part numbers: DR84520-11 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 172S46-4-3PC30 (Naval Sea Systems Command), SK50781PC27003 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 63S46-4-8PC6 (Naval Ship Systems Command), DR84341PC11 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging) and 23 more.
There are 12 known substitutes for 4730-00-344-0769: 5945-00-004-6345, 3110-00-114-5990, 5325-00-141-7090 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 172S46-4-3PC30: Thread Length: 0.560 INCHES NOMINAL IN; Slot Width: 0.216 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND; Thread Class: 2A A. 15 total characteristics are documented in the Federal Logistics Information System.