The Elbow,flange to Tube, cataloged under National Stock Number 4730-00-779-7409, 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 Div Pratt & Whitney. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, 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 | 4730-00-779-7409 |
| Primary Part Number | 404258 |
| Item Name | Elbow,flange to Tube |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Rtx Corporation Div Pratt & Whitney |
| Status | ACTIVE |
| Leg Length | 1.630 INCHES NOMINAL SECOND END IN |
| Connection Style | PLAIN (TUBE) FIRST END |
| Raised Face Nominal Diameter | 1.205 INCHES SECOND END IN |
| Raised Face Nominal Height | 0.483 INCHES SECOND END IN |
| Leg Length | 1.968 INCHES NOMINAL FIRST END IN |
| Material | STEEL CORROSION RESISTING ELBOW |
| Flow Angle | 82.0 DEGREES |
| Surface Treatment | PASSIVATE INSIDE |
| Surface Treatment | PASSIVATE OUTSIDE |
| Flange Face Design | RAISED STRAIGHT SECOND END |
| Criticality Code Justification | AHSJ |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4730-00-779-7409 is a Elbow,flange to Tube, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-779-7409 has 3 cross-referenced part numbers: 404258 (Turbo Power & Marine System Inc Sub of United Technologies Corp), 404258 (Rtx Corporation Div Pratt & Whitney), 404258 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
There are 2 known substitutes for 4730-00-779-7409: 4820-01-274-4828, 4820-01-275-5238. Verify interchangeability with system specifications before substitution.
Key specifications for 404258: Leg Length: 1.630 INCHES NOMINAL SECOND END IN; Connection Style: PLAIN (TUBE) FIRST END; Raised Face Nominal Diameter: 1.205 INCHES SECOND END IN; Raised Face Nominal Height: 0.483 INCHES SECOND END IN. 11 total characteristics are documented in the Federal Logistics Information System.