The Packing Nut, cataloged under National Stock Number 4730-00-343-1579, 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 Wildfire Pacific Inc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-343-1579 |
| Primary Part Number | B80 |
| Item Name | Packing Nut |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Wildfire Pacific Inc |
| Status | ACTIVE |
| Smallest Inside Diameter | 0.159 INCHES NOMINAL IN |
| Style Designator | HEXAGON, EXTERNAL THREAD, BOSS |
| Screw Thread Location | EXTERNAL |
| Width Across Flats | 0.500 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 2011 |
| Screw Thread Series Designator | UNF |
| Thread Length | 0.297 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Casehardening Indicator | NOT CASEHARDENED |
| Thread Size | 0.438-20 |
| Thread Direction | RIGHT-HAND |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 262782PC13 | Naval Ship Systems Command (USA) |
| 111PC13 | Wildfire Pacific Inc (USA) |
| B80 PRIMARY | Wildfire Pacific Inc (USA) |
NSN 4730-00-343-1579 is a Packing Nut, manufactured by Wildfire Pacific Inc, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-343-1579 has 3 cross-referenced part numbers: 262782PC13 (Naval Ship Systems Command), 111PC13 (Wildfire Pacific Inc), B80 (Wildfire Pacific Inc).
There are 8 known substitutes for 4730-00-343-1579: 7920-00-269-0933, 6625-00-764-2937, 3030-00-896-0542 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for B80: Smallest Inside Diameter: 0.159 INCHES NOMINAL IN; Style Designator: HEXAGON, EXTERNAL THREAD, BOSS; Screw Thread Location: EXTERNAL; Width Across Flats: 0.500 INCHES NOMINAL IN. 12 total characteristics are documented in the Federal Logistics Information System.