The Tube,metallic, cataloged under National Stock Number 4710-01-253-2750, 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 Huntington Ingalls Inc Div Newport News Shipbuilding. Government technical data includes 10 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-01-253-2750 |
| Primary Part Number | 508-5755254 P426 |
| Item Name | Tube,metallic |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| Status | ACTIVE |
| Measuring Method and Length | 300.000 INCHES NOMINAL SPECIFIC IN |
| First End Style | PLAIN |
| Material Document and Classification | MIL-T-16420, COMP 70-30 MIL SPEC SINGLE MATERIAL RESPONSE |
| Diameter | 4.500 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | PLAIN ROUND |
| Wall Thickness | 0.203 INCHES NOMINAL IN |
| Operating Pressure | 700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Second End Relationship with First End | IDENTICAL |
| Material | COPPER ALLOY |
| Construction | SEAMLESS |
| 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 |
|---|---|
| 508-5755254 P426 PRIMARY | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 508-5755254 ITEM # P426 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 508-5755254 | D/9 Drawing number reference only Huntington Ingalls Inc Div Newport News Shipbuilding |
| MIL-T-16420 | 4/1 Identification reference U.S. Government activity |
| 2285-1129 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4710-01-253-2750 is a Tube,metallic, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-253-2750 has 2 manufacturer part numbers on file: 508-5755254 P426 (Huntington Ingalls Inc Div Newport News Shipbuilding), 508-5755254 ITEM # P426 (Naval Sea Systems Command).
Key specifications for 508-5755254 P426: Measuring Method and Length: 300.000 INCHES NOMINAL SPECIFIC IN; First End Style: PLAIN; Material Document and Classification: MIL-T-16420, COMP 70-30 MIL SPEC SINGLE MATERIAL RESPONSE; Diameter: 4.500 INCHES NOMINAL IN. 10 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.