The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-01-168-4266, 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 Star Mfg Intl Toastwell. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-168-4266 |
| Primary Part Number | MT21 |
| Item Name | Heating Element,electrical,nonim |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Star Mfg Intl Toastwell |
| Status | ACTIVE |
| Voltage in Volts and Current Type | 120.0 AC SINGLE VOLTAGE |
| 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 |
|---|---|
| MT21 PRIMARY | Star Mfg Intl Toastwell (USA) |
| Reference | Meaning |
|---|---|
| MT-21 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| MT-21 | C/1 Advisory reference — outside the item-of-supply concept Middleby Marshall Inc Toastmaster Cooking and Warming Equipment Div |
NSN 4520-01-168-4266 is a Heating Element,electrical,nonim, manufactured by Star Mfg Intl Toastwell, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-168-4266 has 1 manufacturer part number on file: MT21 (Star Mfg Intl Toastwell).
1 possible match (shared part number, not a government interchangeability claim): 7021-01-690-9889. Verify interchangeability with system specifications before substitution.
Key specifications for MT21: Voltage in Volts and Current Type: 120.0 AC SINGLE VOLTAGE. 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.