The Tube,bent,metallic, cataloged under National Stock Number 4710-00-421-3481, 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 The Boeing Company Div Defense. Government technical data includes 14 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 | 4710-00-421-3481 |
| Primary Part Number | 53-81026-77 |
| Item Name | Tube,bent,metallic |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| First End Bead Outside Diameter | 1.001 INCHES NOMINAL IN |
| First End Style | OUTSIDE BEADED |
| Heat Treatment | O-ANNEALED |
| Material Document and Classification | WW-T-700/4, 0, TYPE 1 FED SPEC SINGLE MATERIAL RESPONSE |
| Diameter | 0.875 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | PLAIN ROUND |
| Wall Thickness | 0.058 INCHES NOMINAL IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Second End Relationship with First End | IDENTICAL |
| First End Bead Width | 0.125 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY |
| First End Length From Bead Center to End | 0.250 INCHES NOMINAL IN |
| First End Outside Diameter | 0.875 INCHES NOMINAL IN |
| 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 |
|---|---|
| 53-81026-77 PRIMARY | The Boeing Company Div Defense (USA) |
NSN 4710-00-421-3481 is a Tube,bent,metallic, manufactured by The Boeing Company Div Defense, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-00-421-3481 has 1 manufacturer part number on file: 53-81026-77 (The Boeing Company Div Defense).
Key specifications for 53-81026-77: First End Bead Outside Diameter: 1.001 INCHES NOMINAL IN; First End Style: OUTSIDE BEADED; Heat Treatment: O-ANNEALED; Material Document and Classification: WW-T-700/4, 0, TYPE 1 FED SPEC SINGLE MATERIAL RESPONSE. 14 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.