The Elbow,pipe, cataloged under National Stock Number 4730-01-239-8944, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-239-8944 |
| Primary Part Number | 9715528 |
| Item Name | Elbow,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES |
| Nominal Pipe Size Accommodated | 4.000 INCHES ALL ENDS IN |
| Connection Style | BEVELED (PIPE) ALL ENDS |
| Connection Type | BUTT WELD PIPE ALL ENDS |
| Material Document and Classification | MIL-T-16420 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Leg Length | 2.930 INCHES NOMINAL FIRST END IN |
| Leg Length | 2.935 INCHES MINIMUM AND 2.969 INCHES MAXIMUM SECOND END IN |
| Pipe Wall Thickness Designation for Which Designed | SCHEDULE STD ALL ENDS |
| Media for Which Designed | FLUID SINGLE RESPONSE |
| Material | COPPER ALLOY OR NICKEL 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 |
|---|---|
| 9715528 PRIMARY | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 508-5590030 ITEM F-18 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 508-5590030 | D/9 Drawing number reference only Naval Sea Systems Command |
| 2285-1115 | D/9 Drawing number reference only Huntington Ingalls Inc Div Newport News Shipbuilding |
NSN 4730-01-239-8944 is a Elbow,pipe, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-239-8944 has 2 manufacturer part numbers on file: 9715528 (Huntington Ingalls Inc Div Newport News Shipbuilding), 508-5590030 ITEM F-18 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-246-2878. Verify interchangeability with system specifications before substitution.
Key specifications for 9715528: Flow Angle: 90.0 DEGREES; Nominal Pipe Size Accommodated: 4.000 INCHES ALL ENDS IN; Connection Style: BEVELED (PIPE) ALL ENDS; Connection Type: BUTT WELD PIPE ALL ENDS. 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.