The Tube,metallic, cataloged under National Stock Number 4710-01-497-5644, 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 Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-01-497-5644 |
| Primary Part Number | 1631731 |
| Item Name | Tube,metallic |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc |
| Status | ACTIVE |
| First End Style | PLAIN |
| Diameter | 1.500 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | PLAIN ROUND |
| Second End Relationship with First End | IDENTICAL |
| 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 |
|---|---|
| 1631731 PRIMARY | Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc (USA) |
| CMG/239973 | Daimler Truck North America Llc (USA) |
| Reference | Meaning |
|---|---|
| 239973 | 5/9 Secondary reference Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc |
NSN 4710-01-497-5644 is a Tube,metallic, manufactured by Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-497-5644 has 2 manufacturer part numbers on file: 1631731 (Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc), CMG/239973 (Daimler Truck North America Llc).
Key specifications for 1631731: First End Style: PLAIN; Diameter: 1.500 INCHES NOMINAL IN; Cross-Sectional Shape Style: PLAIN ROUND; Second End Relationship with First End: IDENTICAL. 4 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.