The Column Stud, cataloged under National Stock Number 4530-01-138-9043, is classified within Federal Supply Class 4530 (Fuel Burning Equipment Units) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Todd Combustion Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4530-01-138-9043 |
| Primary Part Number | S-18-2-26 |
| Item Name | Column Stud |
| FSC / FSG | 4530 / 45 — Fuel Burning Equipment Units |
| Manufacturer | Todd Combustion Inc |
| Status | ACTIVE |
| General Characteristics Item Description | COLD ROLLED STEEL |
| 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 |
|---|---|
| S-18-2-26 PRIMARY | Todd Combustion Inc (USA) |
| Reference | Meaning |
|---|---|
| 42078 PIECE 9 | C/1 Advisory reference — outside the item-of-supply concept Todd Combustion Inc |
| D-42078 PIECE 9 | C/1 Advisory reference — outside the item-of-supply concept Todd Combustion Inc |
NSN 4530-01-138-9043 is a Column Stud, manufactured by Todd Combustion Inc, classified under FSC 4530, Fuel Burning Equipment Units. Status: active.
NSN 4530-01-138-9043 has 1 manufacturer part number on file: S-18-2-26 (Todd Combustion Inc).
Key specifications for S-18-2-26: General Characteristics Item Description: COLD ROLLED STEEL. 1 specification is 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.