The Tube Assembly,metal, cataloged under National Stock Number 4710-01-227-7403, is classified within Federal Supply Class 4710 (Pipe, Tube and Rigid Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 20 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-01-227-7403 |
| Primary Part Number | 5749803 PC38 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Seat Angle in Deg | 12.0 FIRST END |
| Seat Angle in Deg | 12.0 SECOND END |
| Design Form | PREBENT |
| Mating End Quantity | 1 SECOND END |
| Mating End Quantity | 1 FIRST END |
| Wall Thickness | 0.020 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND SECOND END |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.562 INCHES SECOND END IN |
| Nominal Thread Size | 0.562 INCHES FIRST END IN |
| End Connection Style | SWIVEL NUT WITH LOOSE OR INTEGRAL CLINCH SLEEVE FIRST END |
| End Connection Style | SWIVEL NUT, FLARELESS SECOND END |
| Tube Outside Diameter | 0.375 INCHES NOMINAL IN |
| Thread Class | 3B SECOND END |
| Thread Class | 3B FIRST END |
| Material | STEEL CORROSION RESISTING TUBING |
| Material | STEEL COMP 304 FIRST END |
| Material | STEEL COMP 304 SECOND END |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) SECOND END |
| 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 |
|---|---|
| 5749803 PC38 | Naval Sea Systems Command (USA) |
| 5749809-049 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 5749803 PC38 | 5/9 Secondary reference Textron Systems Corp |
| 568-5749809 | D/9 Drawing number reference only Naval Sea Systems Command |
| 5749809-049 | 3/9 Design control — primary reference Textron Systems Corp |
| 568-5749803 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4710-01-227-7403 is a Tube Assembly,metal, manufactured by Naval Sea Systems Command, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-227-7403 has 2 manufacturer part numbers on file: 5749803 PC38 (Naval Sea Systems Command), 5749809-049 (Naval Sea Systems Command).
Key specifications for 5749803 PC38: Seat Angle in Deg: 12.0 FIRST END; Seat Angle in Deg: 12.0 SECOND END; Design Form: PREBENT; Mating End Quantity: 1 SECOND END. 20 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.