The Tube,bent,metallic, cataloged under National Stock Number 4710-01-450-2563, 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 Industrial Acoustics Company, Inc. Dba I a C Div Iac Acoustics. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-01-450-2563 |
| Primary Part Number | 9450394-30 |
| Item Name | Tube,bent,metallic |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Industrial Acoustics Company, Inc. Dba I a C Div Iac Acoustics |
| Status | ACTIVE |
| First End Style | PLAIN |
| Diameter | 6.625 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | PLAIN ROUND |
| Wall Thickness | 0.281 INCHES NOMINAL IN |
| Second End Relationship with First End | IDENTICAL |
| Specification/standard Data | 81349-MIL-T-5695 GOVERNMENT SPECIFICATION |
| Nondefinitive Spec/std Data | 1 TYPE AND 304 CLASS |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 9450394-30 PRIMARY | Industrial Acoustics Company, Inc. Dba I a C Div Iac Acoustics (USA) |
| Reference | Meaning |
|---|---|
| 9450394 | D/9 Drawing number reference only U.S. Government activity |
NSN 4710-01-450-2563 is a Tube,bent,metallic, manufactured by Industrial Acoustics Company, Inc. Dba I a C Div Iac Acoustics, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-450-2563 has 1 manufacturer part number on file: 9450394-30 (Industrial Acoustics Company, Inc. Dba I a C Div Iac Acoustics).
1 possible match (shared part number, not a government interchangeability claim): 4710-01-450-2565. Verify interchangeability with system specifications before substitution.
Key specifications for 9450394-30: First End Style: PLAIN; Diameter: 6.625 INCHES NOMINAL IN; Cross-Sectional Shape Style: PLAIN ROUND; Wall Thickness: 0.281 INCHES NOMINAL IN. 9 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.