The Tee,pipe, cataloged under National Stock Number 4730-01-243-6276, 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 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-243-6276 |
| Primary Part Number | 9716578 |
| Item Name | Tee,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 2.000 INCHES SECOND END IN |
| Nominal Pipe Size Accommodated | 1.500 INCHES THIRD END IN |
| Nominal Pipe Size Accommodated | 2.000 INCHES FIRST END IN |
| Connection Style | SOCKET (PIPE) ALL ENDS |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Material Document and Classification | ASTM A403 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 1.500 INCHES NOMINAL ALL ENDS IN |
| Specification/standard Data | 80204-B16.11 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 4 TABLE |
| Pipe Wall Thickness Designation for Which Designed | SCHEDULE 80 ALL ENDS |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| 9716578 PRIMARY | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 552-5588309 ITEM 70 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| B16.11 | 5/1 Secondary reference U.S. Government activity |
| 552-5588309 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4730-01-243-6276 is a Tee,pipe, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-243-6276 has 2 manufacturer part numbers on file: 9716578 (Huntington Ingalls Inc Div Newport News Shipbuilding), 552-5588309 ITEM 70 (Naval Sea Systems Command).
Key specifications for 9716578: Nominal Pipe Size Accommodated: 2.000 INCHES SECOND END IN; Nominal Pipe Size Accommodated: 1.500 INCHES THIRD END IN; Nominal Pipe Size Accommodated: 2.000 INCHES FIRST END IN; Connection Style: SOCKET (PIPE) ALL ENDS. 12 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.