The Tube and Fittings,metallic, cataloged under National Stock Number 4710-01-555-8253, 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 12 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-01-555-8253 |
| Primary Part Number | 7592565 |
| Item Name | Tube and Fittings,metallic |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Design Form | PREBENT |
| Criticality Code Justification | FEAT |
| Wall Thickness | 0.035 INCHES NOMINAL IN |
| Nominal Thread Size | 0.562 INCHES ALL ENDS IN |
| End Connection Style | SWIVEL NUT, GASKET SEAL ALL ENDS |
| Tube Outside Diameter | 0.250 INCHES NOMINAL IN |
| Thread Class | 2B ALL ENDS |
| Thread Quantity Per Inch | 18 ALL ENDS |
| Material | STEEL CORROSION RESISTING ALL ENDS |
| Material | STEEL CORROSION RESISTING TUBING |
| Thread Series Designator | UNF ALL ENDS |
| Connection Special Design | RING SEALED HOLE ALL ENDS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 7592565 PRIMARY | Naval Sea Systems Command (USA) |
NSN 4710-01-555-8253 is a Tube and Fittings,metallic, manufactured by Naval Sea Systems Command, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-555-8253 has 1 manufacturer part number on file: 7592565 (Naval Sea Systems Command).
Key specifications for 7592565: Design Form: PREBENT; Criticality Code Justification: FEAT; Wall Thickness: 0.035 INCHES NOMINAL IN; Nominal Thread Size: 0.562 INCHES ALL ENDS IN. 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.