The Round,metal, cataloged under National Stock Number 9640-00-258-0622, is classified within Federal Supply Class 9640 (Iron and Steel Primary and Semifinished Products) of the Ores, Minerals, and Primary Products group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 9640-00-258-0622 |
| Item Name | Round,metal |
| FSC / FSG | 9640 / 96 — Iron and Steel Primary and Semifinished Products |
| Status | ACTIVE |
| Length | 12.000 FEET NOMINAL FT |
| Heat Treatment | ANNEALED |
| Basic Shape Style | ROUND |
| Weight Per Unit Measure | 66.760 POUNDS PER LINEAR FOOT LBS |
| Cross Section Outside Diameter | 5.000 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| Fabrication Method | HOT ROLLED |
| 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 |
|---|---|
| 15-5 PH VAC CE | 3/1 Design control — primary reference U.S. Government activity |
NSN 9640-00-258-0622 is a Round,metal, classified under FSC 9640, Iron and Steel Primary and Semifinished Products. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 9515-00-275-8559, 9510-01-327-9524. Verify interchangeability with system specifications before substitution.
Key specifications for 9640-00-258-0622: Length: 12.000 FEET NOMINAL FT; Heat Treatment: ANNEALED; Basic Shape Style: ROUND; Weight Per Unit Measure: 66.760 POUNDS PER LINEAR FOOT LBS. 7 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.