The Iron,carbonyl, cataloged under National Stock Number 6810-01-129-3763, is classified within Federal Supply Class 6810 (Chemicals) of the Chemicals and Chemical Products group. The manufacturer of record is Ashland Specialty Ingredients G.p. Dba Isp Mineral Products. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6810-01-129-3763 |
| Primary Part Number | S-5641/25 LB CN |
| Item Name | Iron,carbonyl |
| FSC / FSG | 6810 / 68 — Chemicals |
| Manufacturer | Ashland Specialty Ingredients G.p. Dba Isp Mineral Products |
| Status | ACTIVE |
| General Characteristics Item Description | POWDER FORM; 98.0 PCT MIN IRON CONTENT; USED IN FABRICATION OF ELECTRONIC END ITEMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| S-5641/25 LB CN PRIMARY | Ashland Specialty Ingredients G.p. Dba Isp Mineral Products (USA) |
| Reference | Meaning |
|---|---|
| S-5641-CN | 5/9 Secondary reference International Specialty Products Inc Div Advanced Materials |
| S-5641 | 5/9 Secondary reference Isp Technologies Inc |
| S-5641 | 5/9 Secondary reference International Specialty Products Inc Div Advanced Materials |
| CARBONYL TYPE E | 5/9 Secondary reference Gaf Corp |
NSN 6810-01-129-3763 is a Iron,carbonyl, manufactured by Ashland Specialty Ingredients G.p. Dba Isp Mineral Products, classified under FSC 6810, Chemicals. Status: active.
NSN 6810-01-129-3763 has 1 manufacturer part number on file: S-5641/25 LB CN (Ashland Specialty Ingredients G.p. Dba Isp Mineral Products).
Key specifications for S-5641/25 LB CN: General Characteristics Item Description: POWDER FORM; 98.0 PCT MIN IRON CONTENT; USED IN FABRICATION OF ELECTRONIC END ITEMS. 1 specification is documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). 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.