The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-01-261-6556, 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 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-261-6556 |
| Primary Part Number | HSK7784 |
| Item Name | Heating Element,electrical,nonim |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Minco Products Inc |
| Status | ACTIVE |
| Phase | SINGLE SINGLE VOLTAGE |
| Frequency in Hertz | 50.0 AND 60.0 |
| Terminal Quantity | 4 |
| Length | 3.100 INCHES MINIMUM AND 3.130 INCHES MAXIMUM IN |
| Voltage in Volts and Current Type | 120.0 AC SINGLE VOLTAGE |
| Body Style | ODD/IRREGULAR SHAPED ITEMS |
| Terminal Length | 3.500 INCHES MINIMUM IN |
| Element Connection Style | WIRE LEAD |
| Material Document and Classification | MIL-N-6840 MIL SPEC SINGLE MATERIAL RESPONSE SHEATH |
| Heat Quantity | 1 |
| Watt Density Rating | 7.0 PER SQUARE INCH SINGLE VOLTAGE |
| Heat Control Type | HEAT SWITCH |
| Element Radiation Spectrum | NONINFRARED |
| Width | 1.352 INCHES NOMINAL IN |
| Material | NICKEL AND CHROMIUM AND IRON SHEATH |
| Material | PLASTIC POLYAMIDE NYLON RESISTANCE WIRE EMBEDDING/SUPPORT INSULATION |
| 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 |
|---|---|
| HSK7784 PRIMARY | Minco Products Inc (USA) |
| Reference | Meaning |
|---|---|
| 917AS6445 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 4520-01-261-6556 is a Heating Element,electrical,nonim, manufactured by Minco Products Inc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-261-6556 has 1 manufacturer part number on file: HSK7784 (Minco Products Inc).
Key specifications for HSK7784: Phase: SINGLE SINGLE VOLTAGE; Frequency in Hertz: 50.0 AND 60.0; Terminal Quantity: 4; Length: 3.100 INCHES MINIMUM AND 3.130 INCHES MAXIMUM IN. 17 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.