The Block,control, cataloged under National Stock Number 4520-01-100-9834, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is C-Way Industries 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-100-9834 |
| Primary Part Number | 04100174 |
| Item Name | Block,control |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | C-Way Industries Inc |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM,ALLOY BAR 2024-T4,5.75 IN. LG,1.50 IN. W,1.00 IN. H IN |
| 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 |
|---|---|
| 04100174 | C-Way Industries Inc (CAN) |
| Reference | Meaning |
|---|---|
| 8227144-01 | 5/2 Secondary reference U.S. Government activity |
| B04100174 | 5/9 Secondary reference C-Way Industries Inc |
| 8227144-01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4520-01-100-9834 is a Block,control, manufactured by C-Way Industries Inc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-100-9834 has 1 manufacturer part number on file: 04100174 (C-Way Industries Inc).
Key specifications for 04100174: General Characteristics Item Description: ALUMINUM,ALLOY BAR 2024-T4,5.75 IN. LG,1.50 IN. W,1.00 IN. H IN; End Item Identification: HEATER,PORTABLE. 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.