The Tube,metallic, cataloged under National Stock Number 4710-01-457-4933, 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 Hi-Tech Metals, Inc.. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4710-01-457-4933 |
| Primary Part Number | SAE AMS5645 6FTX3.625INX0.50IN |
| Item Name | Tube,metallic |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Hi-Tech Metals, Inc. |
| Status | ACTIVE |
| Measuring Method and Length | 72.000 INCHES NOMINAL RANDOM IN |
| First End Style | PLAIN |
| Diameter | 3.625 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | PLAIN ROUND |
| Wall Thickness | 0.500 INCHES NOMINAL IN |
| Second End Relationship with First End | IDENTICAL |
| 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 |
|---|---|
| SAE AMS5645 6FTX3.625INX0.50IN PRIMARY | Hi-Tech Metals, Inc. (USA) |
| SAE AMS5645 6FTX3.625INX0.50IN PRIMARY | Bb&g Enterprises Inc Dba Specialized Metals (USA) |
| Reference | Meaning |
|---|---|
| AMS5645 TYPE 321 | 5/9 Secondary reference U.S. Government activity |
| AMS5645 TYPE 321 | 5/1 Secondary reference Sae International Dba Sae International |
NSN 4710-01-457-4933 is a Tube,metallic, manufactured by Hi-Tech Metals, Inc., classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-457-4933 has 2 manufacturer part numbers on file: SAE AMS5645 6FTX3.625INX0.50IN (Hi-Tech Metals, Inc.), SAE AMS5645 6FTX3.625INX0.50IN (Bb&g Enterprises Inc Dba Specialized Metals).
1 possible match (shared part number, not a government interchangeability claim): 9510-01-690-2615. Verify interchangeability with system specifications before substitution.
Key specifications for SAE AMS5645 6FTX3.625INX0.50IN: Measuring Method and Length: 72.000 INCHES NOMINAL RANDOM IN; First End Style: PLAIN; Diameter: 3.625 INCHES NOMINAL IN; Cross-Sectional Shape Style: PLAIN ROUND. 8 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.