The Tee,tube, cataloged under National Stock Number 4730-01-503-0383, 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 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-503-0383 |
| Primary Part Number | H815T-12-T2-LW-Z-TD0 |
| Item Name | Tee,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 LOCKNUT AND 1 LOCK WASHER |
| Connection Style | GASKET SEAL (TUBE) ALL ENDS |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES ALL ENDS IN |
| Operating Pressure | 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 2.250 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 1.062 INCHES ALL ENDS IN |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Thread Class | 3A ALL ENDS A |
| Thread Quantity Per Inch | 12 ALL ENDS |
| Material | TITANIUM OVERALL |
| Thread Series Designator | UN ALL ENDS |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY REQUIRING SPECIAL CLEANING AND PACKAGING FOR OXYGEN AND HYDROGEN SERVICE |
| 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 |
|---|---|
| H815T-12-T2-LW-Z-TD0 | Naval Inventory Control Point Mechanicsburg (USA) |
| 5793265 FIND 191 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| H815T-12-T2-LW-Z-T | 3/1 Design control — primary reference U.S. Government activity |
NSN 4730-01-503-0383 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 4730-01-503-0383 has 2 manufacturer part numbers on file: H815T-12-T2-LW-Z-TD0 (Naval Inventory Control Point Mechanicsburg), 5793265 FIND 191 (Naval Sea Systems Command).
Key specifications for H815T-12-T2-LW-Z-TD0: Furnished Items and Quantity: 1 LOCKNUT AND 1 LOCK WASHER; Connection Style: GASKET SEAL (TUBE) ALL ENDS; Connection Type: THREADED EXTERNAL TUBE ALL ENDS; Nominal Outside Diameter Tube Accommodated: 0.750 INCHES ALL ENDS IN. 13 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.