The Tube,bent,metallic, cataloged under National Stock Number 4710-00-816-8445, 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 Kreisler Industrial Corporation. Government technical data includes 6 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-00-816-8445 |
| Primary Part Number | 428968 |
| Item Name | Tube,bent,metallic |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Kreisler Industrial Corporation |
| Status | ACTIVE |
| First End Flange Outside Diameter | 2.338 INCHES NOMINAL IN |
| First End Style | FLANGE |
| Diameter | 1.750 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | PLAIN ROUND |
| Second End Relationship with First End | NOT IDENTICAL |
| Construction | SEAMLESS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 428968 | Kreisler Industrial Corporation (USA) |
| 428968 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 646899 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 428968 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 646899 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| 646899 | 5/9 Secondary reference Aero Tube Technologies, Llc Dba Tube Bends |
| 428968 | 3/9 Design control — primary reference Aero Tube Technologies, Llc Dba Tube Bends |
NSN 4710-00-816-8445 is a Tube,bent,metallic, manufactured by Kreisler Industrial Corporation, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-00-816-8445 has 2 manufacturer part numbers on file: 428968 (Kreisler Industrial Corporation), 428968 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 428968: First End Flange Outside Diameter: 2.338 INCHES NOMINAL IN; First End Style: FLANGE; Diameter: 1.750 INCHES NOMINAL IN; Cross-Sectional Shape Style: PLAIN ROUND. 6 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.