The Packing Nut, cataloged under National Stock Number 4730-01-057-5740, 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 Schneider Electric Systems Usa Inc. Government technical data includes 11 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-057-5740 |
| Primary Part Number | 23056 |
| Item Name | Packing Nut |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Schneider Electric Systems Usa Inc |
| Status | ACTIVE |
| Thread Length | 1.375 INCHES NOMINAL AND 0.375 INCHES NOMINAL IN |
| Screw Thread Series Designator | UN AND UNF |
| Smallest Inside Diameter | 0.328 INCHES NOMINAL IN |
| Style Designator | IRREGULAR |
| Screw Thread Location | EXTERNAL |
| Thread Direction | RIGHT-HAND |
| Casehardening Indicator | CASEHARDENED |
| Thread Size | 1-16 AND 3/4-16 |
| Width Across Flats | 1.250 INCHES NOMINAL IN |
| Material | NICKEL ALLOY |
| Thread Class | 3A A |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 23056 PRIMARY | Schneider Electric Systems Usa Inc (USA) |
| 98891-APC39 | Schneider Electric Systems Usa Inc (USA) |
| 98891-A | Schneider Electric Systems Usa Inc (USA) |
NSN 4730-01-057-5740 is a Packing Nut, manufactured by Schneider Electric Systems Usa Inc, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-01-057-5740 has 3 cross-referenced part numbers: 23056 (Schneider Electric Systems Usa Inc), 98891-APC39 (Schneider Electric Systems Usa Inc), 98891-A (Schneider Electric Systems Usa Inc).
There are 10 known substitutes for 4730-01-057-5740: 5133-00-227-5954, 5360-00-338-9186, 3110-00-357-9977 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 23056: Thread Length: 1.375 INCHES NOMINAL AND 0.375 INCHES NOMINAL IN; Screw Thread Series Designator: UN AND UNF; Smallest Inside Diameter: 0.328 INCHES NOMINAL IN; Overall Length: 2.160 INCHES NOMINAL IN. 12 total characteristics are documented in the Federal Logistics Information System.