The Nut,tube Coupling, cataloged under National Stock Number 4730-00-939-2723, 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 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 13 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-939-2723 |
| Primary Part Number | 513350 |
| Item Name | Nut,tube Coupling |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Width Across Flats | 1.683 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 18 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Precious Material and Location | SURFACE SILVER |
| Surface Treatment | SILVER OVERALL |
| Thread Class | 3B |
| Smallest Inside Diameter | 1.432 INCHES NOMINAL IN |
| Thread Series | UNEF |
| Length to Shoulder | 0.605 INCHES NOMINAL IN |
| Nut Style | TUBE COUPLING |
| Nut Height | 1.040 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.688 INCHES IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 513350 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 4730-00-939-2723 is a Nut,tube Coupling, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-939-2723 has 1 cross-referenced part number: 513350 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
There are 2 known substitutes for 4730-00-939-2723: 5325-00-811-6643, 2910-01-274-5378. Verify interchangeability with system specifications before substitution.
Key specifications for 513350: Width Across Flats: 1.683 INCHES NOMINAL IN; Thread Quantity Per Inch: 18; Material: STEEL CORROSION RESISTING OVERALL; Precious Material and Location: SURFACE SILVER. 13 total characteristics are documented in the Federal Logistics Information System.