The Bar,metal, cataloged under National Stock Number 9510-01-435-1771, is classified within Federal Supply Class 9510 (Bars and Rods) of the Metal Bars, Sheets, and Shapes group. The manufacturer of record is Defense Logistics Agency Dba Defense Supply Center Philadelphia. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9510-01-435-1771 |
| Primary Part Number | ASTM A331,CDN,1.750(HEX) |
| Item Name | Bar,metal |
| FSC / FSG | 9510 / 95 — Bars and Rods |
| Manufacturer | Defense Logistics Agency Dba Defense Supply Center Philadelphia |
| Status | ACTIVE |
| Length | 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT |
| Heat Treatment | NORMALIZED |
| Material Document and Classification | ASTM A29, GRADE 4340 ASSN STD SINGLE MATERIAL RESPONSE |
| Basic Shape Style | HEXAGON |
| Weight Per Unit Measure | 9.000 POUNDS PER LINEAR FOOT LBS |
| Nondefinitive Spec/std Data | 4340 TYPE AND NORMALIZED CONDITION |
| Cross-Sectional Width Across Flats | 1.750 INCHES NOMINAL IN |
| Material | STEEL COMP 4340 |
| 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 |
|---|---|
| ASTM A331,CDN,1.750(HEX) | Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA) |
| 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 9510-01-435-1771 is a Bar,metal, manufactured by Defense Logistics Agency Dba Defense Supply Center Philadelphia, classified under FSC 9510, Bars and Rods. Status: active.
NSN 9510-01-435-1771 has 1 manufacturer part number on file: ASTM A331,CDN,1.750(HEX) (Defense Logistics Agency Dba Defense Supply Center Philadelphia).
Key specifications for ASTM A331,CDN,1.750(HEX): Length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT; Heat Treatment: NORMALIZED; Material Document and Classification: ASTM A29, GRADE 4340 ASSN STD SINGLE MATERIAL RESPONSE; Basic Shape Style: HEXAGON. 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.