The Bar,metal, cataloged under National Stock Number 9510-01-398-5092, is classified within Federal Supply Class 9510 (Bars and Rods) of the Metal Bars, Sheets, and Shapes group. The manufacturer of record is Specialty Metals Corporation Dba Specialty Metals Corp. Government technical data includes 7 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9510-01-398-5092 |
| Primary Part Number | AISI-4140 |
| Item Name | Bar,metal |
| FSC / FSG | 9510 / 95 — Bars and Rods |
| Manufacturer | Specialty Metals Corporation Dba Specialty Metals Corp |
| Status | ACTIVE |
| Length | 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT |
| Material Document and Classification | FED STD 66 FED STD 1ST MATERIAL RESPONSE OR AISI 4140 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 4140 ASSN STD SINGLE MATERIAL RESPONSE |
| Basic Shape Style | ROUND |
| Weight Per Unit Measure | 10.680 POUNDS PER LINEAR FOOT LBS |
| Cross Section Outside Diameter | 2.000 INCHES NOMINAL IN |
| Material | STEEL COMP 4140 |
| 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 |
| Part Number | Manufacturer |
|---|---|
| AISI-4140 PRIMARY | Specialty Metals Corporation Dba Specialty Metals Corp (USA) |
NSN 9510-01-398-5092 is a Bar,metal, manufactured by Specialty Metals Corporation Dba Specialty Metals Corp, classified under FSC 9510, Bars and Rods. Status: active.
NSN 9510-01-398-5092 has 1 manufacturer part number on file: AISI-4140 (Specialty Metals Corporation Dba Specialty Metals Corp).
1 possible match (shared part number, not a government interchangeability claim): 9510-01-432-2493. Verify interchangeability with system specifications before substitution.
Key specifications for AISI-4140: Length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT; Material Document and Classification: FED STD 66 FED STD 1ST MATERIAL RESPONSE OR AISI 4140 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 4140 ASSN STD SINGLE MATERIAL RESPONSE; Basic Shape Style: ROUND; Weight Per Unit Measure: 10.680 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.