The Tube,metallic, cataloged under National Stock Number 4710-01-574-6920, is classified within Federal Supply Class 4710 (Pipe, Tube and Rigid Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-01-574-6920 |
| Item Name | Tube,metallic |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Status | ACTIVE |
| Diameter | 0.500 INCHES NOMINAL IN |
| Wall Thickness | 0.032 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 555K1001-57 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 555K1001-57 | 5/9 Secondary reference Drs Environmental Systems Inc |
| 555K1001 | D/9 Drawing number reference only U.S. Government activity |
| 555K1001-57 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4710-01-574-6920 is a Tube,metallic, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 4710-01-575-4737, 4710-01-590-8456. Verify interchangeability with system specifications before substitution.
Key specifications for 4710-01-574-6920: Diameter: 0.500 INCHES NOMINAL IN; Wall Thickness: 0.032 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: COPPER TUBE, SEAMLESS-REFRIGERATION ASTM B280; End Item Identification: NSN 8145-01-534-3597 MULT-TEMP REFR CONT. 2 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.