The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-00-667-4574, 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 General Dynamics Mission Systems, Inc. Dba Gdms. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4520-00-667-4574 |
| Primary Part Number | 251B1006 |
| Item Name | Heating Element,electrical,nonim |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | General Dynamics Mission Systems, Inc. Dba Gdms |
| Status | ACTIVE |
| FSC Application Data | CRYSTAL OVEN |
| Voltage in Volts and Current Type | 24.2 DC SINGLE VOLTAGE |
| Mounting Method Style | TERMINAL MOUNTED |
| Element Quantity | 1 |
| 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 |
|---|---|
| K20Z03 | Cts Inc (USA) |
| 251B1006 PRIMARY | General Dynamics Mission Systems, Inc. Dba Gdms (USA) |
| Reference | Meaning |
|---|---|
| 251B1006 | 5/9 Secondary reference U.S. Government activity |
| CR27U | 3/1 Design control — primary reference U.S. Government activity |
NSN 4520-00-667-4574 is a Heating Element,electrical,nonim, manufactured by General Dynamics Mission Systems, Inc. Dba Gdms, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-00-667-4574 has 2 manufacturer part numbers on file: K20Z03 (Cts Inc), 251B1006 (General Dynamics Mission Systems, Inc. Dba Gdms).
Key specifications for 251B1006: FSC Application Data: CRYSTAL OVEN; Voltage in Volts and Current Type: 24.2 DC SINGLE VOLTAGE; Mounting Method Style: TERMINAL MOUNTED; Element Quantity: 1. 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.