The Elbow,flange to Tube, cataloged under National Stock Number 4730-00-971-9354, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-971-9354 |
| Primary Part Number | 472327 |
| Item Name | Elbow,flange to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Flange Shape | TRIANGULAR WITH HOLES SECOND END |
| Flow Angle | 45.0 DEGREES |
| Flange Face Design | PLAIN SECOND END |
| Nominal Length | 0.849 INCHES SECOND END IN |
| Bolt Circle Nominal Diameter | 1.898 INCHES SECOND END IN |
| Connection Type | FLANGE SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Material Document and Classification | AMS4212 ASSN STD 1ST MATERIAL RESPONSE AND AMS4281 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Bolt Hole Nominal Diameter | 0.350 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 1.376 INCHES FIRST END IN |
| Leg Length | 2.075 INCHES MINIMUM AND 2.105 INCHES MAXIMUM ALL ENDS IN |
| Nominal Thread Size | 1.500 INCHES FIRST END IN |
| Seat Angle | 25.0 DEGREES FIRST END |
| Bolt Hole Quantity | 3 SECOND END |
| Nominal Width | 0.505 INCHES SECOND END IN |
| Thread Quantity Per Inch | 12 FIRST END |
| Material | STEEL OVERALL |
| Thread Series Designator | UNS FIRST END |
| Nominal Thickness | 0.300 INCHES SECOND END IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 472327 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 472327 | 5/9 Secondary reference Tube Processing Corp Milturn Div |
| 472327 | 5/9 Secondary reference Triumph Actuation Systems - Connecticut, Llc Dba Triumph Actuation Systems |
| 472327 | C/1 Advisory reference — outside the item-of-supply concept Tube Processing Corp Div Aerofab |
| 472327 | 5/9 Secondary reference Dell Manufacturing Co., Llc Dba Pursuit Aerospace |
NSN 4730-00-971-9354 is a Elbow,flange to Tube, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-971-9354 has 1 manufacturer part number on file: 472327 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
1 possible match (shared part number, not a government interchangeability claim): 6210-01-384-5196. Verify interchangeability with system specifications before substitution.
Key specifications for 472327: Flange Shape: TRIANGULAR WITH HOLES SECOND END; Flow Angle: 45.0 DEGREES; Flange Face Design: PLAIN SECOND END; Nominal Length: 0.849 INCHES SECOND END IN. 19 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 4730-00-971-9354 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.