The Bar,metal, cataloged under National Stock Number 9510-01-131-7201, is classified within Federal Supply Class 9510 (Bars and Rods) of the Metal Bars, Sheets, and Shapes group. The manufacturer of record is Joseph T. Ryerson & Son, Inc. Dba Ryerson. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 9510-01-131-7201 |
| Primary Part Number | AISI NO- 1212 |
| Item Name | Bar,metal |
| FSC / FSG | 9510 / 95 — Bars and Rods |
| Manufacturer | Joseph T. Ryerson & Son, Inc. Dba Ryerson |
| Status | ACTIVE |
| Length | 12.000 FEET NOMINAL FT |
| Material Document and Classification | QQ-S-637, COMP 1212 FED SPEC 1ST MATERIAL RESPONSE |
| Basic Shape Style | ROUND |
| Cross Section Outside Diameter | 1.750 INCHES NOMINAL IN |
| Material | STEEL COMP 1212 |
| 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 |
| Part Number | Manufacturer |
|---|---|
| AISI NO- 1212 PRIMARY | Joseph T. Ryerson & Son, Inc. Dba Ryerson (USA) |
| Reference | Meaning |
|---|---|
| QQ-S-637 | 5/9 Secondary reference U.S. Government activity |
NSN 9510-01-131-7201 is a Bar,metal, manufactured by Joseph T. Ryerson & Son, Inc. Dba Ryerson, classified under FSC 9510, Bars and Rods. Status: active.
NSN 9510-01-131-7201 has 1 manufacturer part number on file: AISI NO- 1212 (Joseph T. Ryerson & Son, Inc. Dba Ryerson).
Key specifications for AISI NO- 1212: Length: 12.000 FEET NOMINAL FT; Material Document and Classification: QQ-S-637, COMP 1212 FED SPEC 1ST MATERIAL RESPONSE; Basic Shape Style: ROUND; Special Features: REPHOSPHORIZED AND RESULPHURIZED. 6 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.