The Flange,pipe, cataloged under National Stock Number 4730-01-241-4698, 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 14 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-241-4698 |
| Primary Part Number | 2423673 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| Status | ACTIVE |
| Flange Diameter | 18.250 INCHES NOMINAL IN |
| Face Seating Surface Condition | MACHINED |
| Tube Outside Diameter for Which Designed | 14.000 INCHES NOMINAL IN |
| Flange Section Style | RAISED FACE, RAISED NECK |
| Style Designator | ROUND, ONE BOLT HOLE CIRCLE |
| Bolt Hole Diameter | 0.812 INCHES NOMINAL IN |
| Neck Height | 0.250 INCHES NOMINAL IN |
| Material Document and Classification | MIL-S-16216 MIL SPEC SINGLE MATERIAL RESPONSE |
| Bolt Hole Quantity | 18 |
| Bolt Circle Diameter | 14.141 INCHES NOMINAL IN |
| Raised Face Diameter | 15.000 INCHES NOMINAL IN |
| Raised Face Height | 0.625 INCHES NOMINAL IN |
| Material | STEEL |
| Thickness | 1.500 INCHES NOMINAL 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 |
|---|---|
| 2423673 PRIMARY | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 516-5940131 ITEM 1 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 516-5940131 ITE | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 6500-226 | D/9 Drawing number reference only Huntington Ingalls Inc Div Newport News Shipbuilding |
| 516-5940131 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4730-01-241-4698 is a Flange,pipe, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-241-4698 has 2 manufacturer part numbers on file: 2423673 (Huntington Ingalls Inc Div Newport News Shipbuilding), 516-5940131 ITEM 1 (Naval Sea Systems Command).
Key specifications for 2423673: Flange Diameter: 18.250 INCHES NOMINAL IN; Face Seating Surface Condition: MACHINED; Tube Outside Diameter for Which Designed: 14.000 INCHES NOMINAL IN; Flange Section Style: RAISED FACE, RAISED NECK. 14 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.