The Heating Element,electrical,immer, cataloged under National Stock Number 4520-01-345-7921, 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 Fincantieri S.p.a. Div Direzione Navi Militari. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-345-7921 |
| Primary Part Number | S-9111-DIA102/230V60HZ25W |
| Item Name | Heating Element,electrical,immer |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Fincantieri S.p.a. Div Direzione Navi Militari |
| Status | ACTIVE |
| Maximum Wattage Rating in Watts | 25.0 ALL VOLTAGES |
| Outside Diameter | 4.000 INCHES NOMINAL 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 |
|---|---|
| S-9111-DIA102/230V60HZ25W | Fincantieri S.p.a. Div Direzione Navi Militari (ITA) |
| S 9111 | Henry Technologies Limited (GBR) |
| S-9111-DIA102/230V60HZ25W | Johnson Controls Industries Dba York (FRA) |
| Reference | Meaning |
|---|---|
| S 9111 | 3/9 Design control — primary reference Henry Technologies, Inc. |
NSN 4520-01-345-7921 is a Heating Element,electrical,immer, manufactured by Fincantieri S.p.a. Div Direzione Navi Militari, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-345-7921 has 3 manufacturer part numbers on file: S-9111-DIA102/230V60HZ25W (Fincantieri S.p.a. Div Direzione Navi Militari), S 9111 (Henry Technologies Limited), S-9111-DIA102/230V60HZ25W (Johnson Controls Industries Dba York).
Key specifications for S-9111-DIA102/230V60HZ25W: Maximum Wattage Rating in Watts: 25.0 ALL VOLTAGES; Outside Diameter: 4.000 INCHES NOMINAL IN; Special Features: 220 VOLTS; ADDS HEAT TO OIL SEPARATORS; USED FOR LOW TEMP APPLICATION. 2 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.