The Elbow,flange to Pipe, cataloged under National Stock Number 4730-01-239-3647, 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 Huntington Ingalls Inc Div Newport News Shipbuilding. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-239-3647 |
| Primary Part Number | 2285-1115 ITEM F-17 |
| Item Name | Elbow,flange to Pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| Status | ACTIVE |
| Flange Shape | ROUND WITH HOLES FIRST END |
| Flow Angle | 90.0 DEGREES |
| Nominal Pipe Size Accommodated | 4.000 INCHES SECOND END IN |
| Flange Face Design | PLAIN WITH GASKET GROOVE FIRST END |
| Connection Style | SOCKET (PIPE) SECOND END |
| Bolt Circle Nominal Diameter | 7.188 INCHES FIRST END IN |
| Connection Type | BUTT WELD PIPE SECOND END |
| Connection Type | FLANGE FIRST END |
| Material Document and Classification | MIL-C-20159 TY I MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Bolt Hole Nominal Diameter | 0.688 INCHES FIRST END IN |
| Leg Length | 5.000 INCHES MINIMUM AND 5.062 INCHES MAXIMUM SECOND END IN |
| Leg Length | 6.500 INCHES MINIMUM AND 6.562 INCHES MAXIMUM FIRST END IN |
| Nominal Outside Diameter | 8.688 INCHES FIRST END IN |
| Bolt Hole Quantity | 10 FIRST END |
| Material | COPPER ALLOY OVERALL |
| Nominal Thickness | 1.250 INCHES FIRST END IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2285-1115 ITEM F-17 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 508-4553627PIECE16 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 2403230 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 508-5590030 ITEM F-17 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 2285-1115 | D/9 Drawing number reference only Huntington Ingalls Inc Div Newport News Shipbuilding |
| 4553627 PIECE 16 | 3/2 Design control — primary reference U.S. Government activity |
| 508-5590030 | D/9 Drawing number reference only Naval Sea Systems Command |
| 4553627 | D/9 Drawing number reference only U.S. Government activity |
NSN 4730-01-239-3647 is a Elbow,flange to Pipe, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-239-3647 has 4 manufacturer part numbers on file: 2285-1115 ITEM F-17 (Huntington Ingalls Inc Div Newport News Shipbuilding), 508-4553627PIECE16 (Huntington Ingalls Inc Div Newport News Shipbuilding), 2403230 (Huntington Ingalls Inc Div Newport News Shipbuilding), 508-5590030 ITEM F-17 (Naval Sea Systems Command).
3 possible matches (shared part number, not a government interchangeability claim): 4730-01-239-3689, 4730-01-239-8944, 4730-01-246-2878. Verify interchangeability with system specifications before substitution.
Key specifications for 2285-1115 ITEM F-17: Flange Shape: ROUND WITH HOLES FIRST END; Flow Angle: 90.0 DEGREES; Nominal Pipe Size Accommodated: 4.000 INCHES SECOND END IN; Flange Face Design: PLAIN WITH GASKET GROOVE FIRST END. 16 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.
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.