The Elbow,flange to Pipe, cataloged under National Stock Number 4730-01-246-5132, 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 Naval Sea Systems Command. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-246-5132 |
| Primary Part Number | 508-5589057 ITEM F-4 |
| Item Name | Elbow,flange to Pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Flange Shape | ROUND SECOND END |
| Flow Angle | 90.0 DEGREES |
| Nominal Pipe Size Accommodated | 1.500 INCHES FIRST END IN |
| Flange Face Design | PLAIN SECOND END |
| Connection Style | STREAMLINED W/ ONE BRAZING RING (PIPE) FIRST END |
| Connection Type | UNTHREADED INTERNAL PIPE FIRST END |
| Connection Type | FLANGE SECOND END |
| Leg Length | 1.840 INCHES NOMINAL ALL ENDS IN |
| Pipe Wall Thickness Designation for Which Designed | SCHEDULE STD FIRST END |
| Material | COPPER ALLOY OVERALL |
| 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 |
|---|---|
| 2406207 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 508-5589057 ITEM F-4 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 2285-1107 | D/9 Drawing number reference only Huntington Ingalls Inc Div Newport News Shipbuilding |
| 508-5589057 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4730-01-246-5132 is a Elbow,flange to Pipe, manufactured by Naval Sea Systems Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-246-5132 has 2 manufacturer part numbers on file: 2406207 (Huntington Ingalls Inc Div Newport News Shipbuilding), 508-5589057 ITEM F-4 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 2040-01-434-6525. Verify interchangeability with system specifications before substitution.
Key specifications for 508-5589057 ITEM F-4: Flange Shape: ROUND SECOND END; Flow Angle: 90.0 DEGREES; Nominal Pipe Size Accommodated: 1.500 INCHES FIRST END IN; Flange Face Design: PLAIN SECOND END. 10 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.