The Packing Nut, cataloged under National Stock Number 4730-00-736-9256, 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 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference 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 | 4730-00-736-9256 |
| Primary Part Number | 21640 |
| Item Name | Packing Nut |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Schneider Electric Systems Usa Inc |
| Status | ACTIVE |
| Screw Thread Location | INTERNAL |
| Style Designator | HEXAGON, INTERNAL THREAD, SHOULDERED |
| Material | COPPER ALLOY |
| Thread Direction | RIGHT-HAND |
| Casehardening Indicator | NOT CASEHARDENED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 21640 PRIMARY | Schneider Electric Systems Usa Inc (USA) |
NSN 4730-00-736-9256 is a Packing Nut, manufactured by Schneider Electric Systems Usa Inc, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-736-9256 has 1 cross-referenced part number: 21640 (Schneider Electric Systems Usa Inc).
There are 6 known substitutes for 4730-00-736-9256: 5310-00-209-5116, 5355-00-604-3740, 5330-01-255-0136 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 21640: Screw Thread Location: INTERNAL; Special Features: FUR 3/4 IN. SIZE VALVE IN; Style Designator: HEXAGON, INTERNAL THREAD, SHOULDERED; Material: COPPER ALLOY. 6 total characteristics are documented in the Federal Logistics Information System.