The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-01-491-7802, 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 Minco Products Inc. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-491-7802 |
| Primary Part Number | HK21956 |
| Item Name | Heating Element,electrical,nonim |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Minco Products Inc |
| Status | ACTIVE |
| Body Style | TUBULAR, SINGLE COIL, DOUBLE TERMINALS |
| Material | ALUMINUM RESISTANCE WIRE EMBEDDING/SUPPORT INSULATION |
| Element Quantity | 2 |
| 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 |
|---|---|
| HK21956 PRIMARY | Minco Products Inc (USA) |
| Reference | Meaning |
|---|---|
| 717801930-001 | 7/2 Vendor item drawing reference Lockheed Martin Corporation |
| 717801930 | D/9 Drawing number reference only Lockheed Martin Corporation |
NSN 4520-01-491-7802 is a Heating Element,electrical,nonim, manufactured by Minco Products Inc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-491-7802 has 1 manufacturer part number on file: HK21956 (Minco Products Inc).
Key specifications for HK21956: Body Style: TUBULAR, SINGLE COIL, DOUBLE TERMINALS; Special Features: INSULATION IS POLYIMIDE; LEAD WIRE-A.W.G NO. 28, STRANDED, POLYTETRAFLUOROETHYLENE INSULTATED PER MIL-W-16878, TYPE E; ELEMENT IS NON-INDUCTIVE PATTERN; TEMPERATURE RANGE IS -40 DEG C TO +60 DEG C; RATED POWER IS 300 WATTS TOTAL POWER; HEATING ELEMENT IS TO BE KEPT 010 FROM EACH HOLE; HEATING ELEMENT SHALL OCCUR IN A STRAIGHT LINE DEGC; Part Name Assigned by Controlling Agency: HEATER, GASKET; End Item Identification: AN/AAQ14 TARGETING SET. 3 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.