The Heating Element,electrical,immer, cataloged under National Stock Number 4520-01-527-6993, 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 Schmitt Walter H & Associates Inc Dba Schmitt Walter H & Associates Inc Div Dba/ Therm Coil Manufacturing Company. Government technical data includes 4 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-527-6993 |
| Primary Part Number | 353D-1250-002 |
| Item Name | Heating Element,electrical,immer |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Schmitt Walter H & Associates Inc Dba Schmitt Walter H & Associates Inc Div Dba/ Therm Coil Manufacturing Company |
| Status | ACTIVE |
| Length | 11.000 INCHES NOMINAL IN |
| Body Style | TUBULAR, SCREW TYPE |
| Material | COPPER RESISTANCE WIRE |
| Material | STEEL SHEATH |
| 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 |
|---|---|
| 353D-1250-002 PRIMARY | Schmitt Walter H & Associates Inc Dba Schmitt Walter H & Associates Inc Div Dba/ Therm Coil Manufacturing Company (USA) |
NSN 4520-01-527-6993 is a Heating Element,electrical,immer, manufactured by Schmitt Walter H & Associates Inc Dba Schmitt Walter H & Associates Inc Div Dba/ Therm Coil Manufacturing Company, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-527-6993 has 1 manufacturer part number on file: 353D-1250-002 (Schmitt Walter H & Associates Inc Dba Schmitt Walter H & Associates Inc Div Dba/ Therm Coil Manufacturing Company).
Key specifications for 353D-1250-002: Length: 11.000 INCHES NOMINAL IN; Body Style: TUBULAR, SCREW TYPE; Overall Length: 15.001 INCHES NOMINAL IN; Special Features: THE SCREW PLUG IS A 1.250 IN NPT BRASS AND IS 1.313 IN LONG;DIAMETER OF THE RESISTANCE WIRE IS 0.312 IN IN. 4 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.