The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-00-585-0488, 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 Chromalox Inc Dba Chromalox Precision Heat and Control, Inc. Government technical data includes 13 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-00-585-0488 |
| Primary Part Number | BSK33772 |
| Item Name | Heating Element,electrical,nonim |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc |
| Status | ACTIVE |
| Phase | NOT RATED SINGLE VOLTAGE |
| Terminal Quantity | 2 |
| Length | 21.375 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 440.0 AC SINGLE VOLTAGE |
| Body Style | TUBULAR, SINGLE COIL DOUBLE TERMINALS |
| Maximum Wattage Rating in Watts | 1500.0 SINGLE VOLTAGE |
| Terminal Length | 0.430 INCHES NOMINAL IN |
| Element Connection Style | ROUND BAYONET |
| Mounting Method Style | TERMINAL MOUNTED |
| Heat Quantity | 3 |
| Element Radiation Spectrum | NONINFRARED |
| Material | NICKEL AND CHROMIUM SHEATH |
| 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 |
|---|---|
| 17-3372 | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA) |
| BSK33772 PRIMARY | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA) |
| Reference | Meaning |
|---|---|
| 598-611-1894041REVAPC117 | 5/9 Secondary reference U.S. Government activity |
| 5-33772 | 5/9 Secondary reference Chromalox Inc Dba Chromalox Precision Heat and Control, Inc |
| 598-611-1894041 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| BSK33772REV22PC5 | 5/9 Secondary reference Chromalox Inc Dba Chromalox Precision Heat and Control, Inc |
| 598-611=1894041PC117 | 5/9 Secondary reference Naval Sea Systems Command |
| 586-611-1888339PC117 | 5/9 Secondary reference Naval Sea Systems Command |
| 586-611-1888339REVAPC117 | 5/9 Secondary reference U.S. Government activity |
NSN 4520-00-585-0488 is a Heating Element,electrical,nonim, manufactured by Chromalox Inc Dba Chromalox Precision Heat and Control, Inc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-00-585-0488 has 2 manufacturer part numbers on file: 17-3372 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), BSK33772 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc).
Key specifications for BSK33772: Phase: NOT RATED SINGLE VOLTAGE; Terminal Quantity: 2; Length: 21.375 INCHES NOMINAL IN; Voltage in Volts and Current Type: 440.0 AC SINGLE VOLTAGE. 13 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.