The Elbow,flange to Tube, cataloged under National Stock Number 4730-00-204-0931, 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 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-204-0931 |
| Primary Part Number | 274129 |
| Item Name | Elbow,flange to Tube |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Flange Shape | OVAL WITH HOLES SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Flange Face Design | PLAIN SECOND END |
| Leg Length | 2.000 INCHES NOMINAL SECOND END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Connection Style | FLARED (TUBE) FIRST END |
| Thread Class | 3A FIRST END A |
| Bolt Circle Nominal Diameter | 1.360 INCHES SECOND END IN |
| Bolt Hole Nominal Diameter | 0.344 INCHES SECOND END IN |
| Nominal Length | 2.000 INCHES SECOND END IN |
| Nominal Thread Size | 0.750 INCHES FIRST END IN |
| Material | ALUMINUM ALLOY OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES FIRST END IN |
| Leg Length | 1.820 INCHES MINIMUM AND 1.840 INCHES MAXIMUM FIRST END IN |
| Flow Angle | 90.0 DEGREES |
| Thread Series Designator | UNF FIRST END |
| Connection Type | FLANGE SECOND END |
| Nominal Thickness | 0.250 INCHES SECOND END IN |
| Bolt Hole Quantity | 2 SECOND END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4730-00-204-0931 is a Elbow,flange to Tube, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-204-0931 has 2 cross-referenced part numbers: 274129 (Turbo Power & Marine System Inc Sub of United Technologies Corp), 274129 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
There is 1 known substitute for 4730-00-204-0931: 5910-01-031-0447. Verify interchangeability with system specifications before substitution.
Key specifications for 274129: Flange Shape: OVAL WITH HOLES SECOND END; Connection Type: THREADED EXTERNAL TUBE FIRST END; Flange Face Design: PLAIN SECOND END; Leg Length: 2.000 INCHES NOMINAL SECOND END IN. 20 total characteristics are documented in the Federal Logistics Information System.