The Tee,tube, cataloged under National Stock Number 4730-01-047-4820, 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 Inventory Control Point Mechanicsburg. Government technical data includes 7 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-047-4820 |
| Primary Part Number | ANSI-B16.11CL3000SW1/2X1/2X3/4S1 |
| Item Name | Tee,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Material Document and Classification | ASTM-A182,F11 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Operating Pressure | 1200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Maximum Operating Temp | 975.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Media for Which Designed | STEAM SINGLE RESPONSE |
| Material | STEEL OVERALL |
| Reference Number Differentiating Characteristics | MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS THAT ARE UNIQUE TO FOSSIL FUEL POWERED SURFACE SHIPS MAIN STEAM, CATAPULT STEAM, AND HIGH PRESSURE STEAM DRAIN SYSTEMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| ANSI-B16.11CL3000SW1/2X1/2X3/4S1 | Naval Inventory Control Point Mechanicsburg (USA) |
| ANSI-B16.11 CLASS 3000S1 | Naval Inventory Control Point Mechanicsburg (USA) |
| ASTM-A182 GRADE F11 CLASS 2 ORS1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 1/2 X 1/2 X 3/4INCH NPS SWS1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| ANSI-B16.11CL3000SW1/2X1/2X3/4 | 3/1 Design control — primary reference U.S. Government activity |
| 1/2 X 1/2 X 3/4INCH NPS SW | 5/1 Secondary reference U.S. Government activity |
| ANSI-B16.11 CLASS 3000 | 5/1 Secondary reference U.S. Government activity |
NSN 4730-01-047-4820 is a Tee,tube, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-047-4820 has 4 manufacturer part numbers on file: ANSI-B16.11CL3000SW1/2X1/2X3/4S1 (Naval Inventory Control Point Mechanicsburg), ANSI-B16.11 CLASS 3000S1 (Naval Inventory Control Point Mechanicsburg), ASTM-A182 GRADE F11 CLASS 2 ORS1 (Naval Inventory Control Point Mechanicsburg), 1/2 X 1/2 X 3/4INCH NPS SWS1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for ANSI-B16.11CL3000SW1/2X1/2X3/4S1: Criticality Code Justification: ZZZY; Material Document and Classification: ASTM-A182,F11 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Operating Pressure: 1200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Maximum Operating Temp: 975.0 FAHRENHEIT SINGLE RESPONSE DEGF. 7 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.