The Bar,metal, cataloged under National Stock Number 9530-00-228-6859, is classified within Federal Supply Class 9530 (Bars and Rods, Nonferrous Base Metal) 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 9530-00-228-6859 |
| Primary Part Number | ASTM B138,1/2HD,1.750(DIA)X144 |
| Item Name | Bar,metal |
| FSC / FSG | 9530 / 95 — Bars and Rods, Nonferrous Base Metal |
| Manufacturer | Defense Logistics Agency Dba Defense Supply Center Philadelphia |
| Status | ACTIVE |
| Length | 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT |
| Heat Treatment | HALF HARD |
| Material Document and Classification | ASTM B138, ALLOY 675 ASSN STD SINGLE MATERIAL RESPONSE |
| Basic Shape Style | ROUND |
| Weight Per Unit Measure | 8.720 POUNDS PER LINEAR FOOT LBS |
| Nondefinitive Spec/std Data | UNS C67500 STANDARD AND HALF HARD TEMPER |
| Cross Section Outside Diameter | 1.750 INCHES NOMINAL IN |
| Material | COPPER ALLOY 675 |
| Fabrication Method | WROUGHT |
| 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 B138,1/2HD,1.750(DIA)X144 | Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA) |
| Reference | Meaning |
|---|---|
| QQ-B-728 | 5/9 Secondary reference U.S. Government activity |
| ASTM B138 | 3/1 Design control — primary reference U.S. Government activity |
NSN 9530-00-228-6859 is a Bar,metal, manufactured by Defense Logistics Agency Dba Defense Supply Center Philadelphia, classified under FSC 9530, Bars and Rods, Nonferrous Base Metal. Status: active.
NSN 9530-00-228-6859 has 1 manufacturer part number on file: ASTM B138,1/2HD,1.750(DIA)X144 (Defense Logistics Agency Dba Defense Supply Center Philadelphia).
3 possible matches (shared part number, not a government interchangeability claim): 9530-00-228-6860, 9530-00-228-6861, 9530-00-228-6862. Verify interchangeability with system specifications before substitution.
Key specifications for ASTM B138,1/2HD,1.750(DIA)X144: Length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT; Heat Treatment: HALF HARD; Material Document and Classification: ASTM B138, ALLOY 675 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.