The Bar,metal, cataloged under National Stock Number 9510-01-206-7550, is classified within Federal Supply Class 9510 (Bars and Rods) of the Metal Bars, Sheets, and Shapes group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9510-01-206-7550 |
| Item Name | Bar,metal |
| FSC / FSG | 9510 / 95 — Bars and Rods |
| Status | ACTIVE |
| Length | 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT |
| Heat Treatment | ANNEALED |
| Material Document and Classification | ASTM A29, GRADE 4140 ASSN STD SINGLE MATERIAL RESPONSE |
| Basic Shape Style | ROUND |
| Weight Per Unit Measure | 16.670 POUNDS PER SQUARE FOOT LBS |
| Nondefinitive Spec/std Data | 4140 GRADE |
| Cross Section Outside Diameter | 2.500 INCHES NOMINAL IN |
| Material | STEEL COMP 4140 |
| Fabrication Method | COLD FINISH |
| 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 |
|---|---|
| ASTM A331 | 5/9 Secondary reference U.S. Government activity |
| ASTM A29 | 3/1 Design control — primary reference U.S. Government activity |
NSN 9510-01-206-7550 is a Bar,metal, classified under FSC 9510, Bars and Rods. Status: active.
Key specifications for 9510-01-206-7550: Length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT; Heat Treatment: ANNEALED; Material Document and Classification: ASTM A29, GRADE 4140 ASSN STD SINGLE MATERIAL RESPONSE; Basic Shape Style: ROUND. 9 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.