The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-00-877-3168, 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 15 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-00-877-3168 |
| Primary Part Number | 2-39633 |
| 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 |
| Terminal Quantity | 2 |
| Length | 34.938 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 254.0 AC SINGLE VOLTAGE |
| Body Style | TUBULAR, DOUBLE TERMINALS |
| Maximum Wattage Rating in Watts | 5400.0 SINGLE VOLTAGE |
| Terminal Length | 0.438 INCHES NOMINAL IN |
| Mounting Facility Length | 0.750 INCHES NOMINAL IN |
| Element Connection Style | TERMINAL SCREW |
| Mounting Method Style | AXIAL STUD TYPE MOUNTING FACILITY |
| Heat Quantity | 1 |
| Element Radiation Spectrum | NONINFRARED |
| Width | 13.500 INCHES NOMINAL IN |
| Material | NICKEL ALLOY SHEATH |
| Material | NICKEL ALLOY RESISTANCE WIRE |
| 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 |
|---|---|
| 2-39633 PRIMARY | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA) |
| ASK39633-5PC61 | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA) |
| Reference | Meaning |
|---|---|
| 3329031PC61 | 5/2 Secondary reference U.S. Government activity |
| 3329030PC4-61 | 5/2 Secondary reference U.S. Government activity |
| ASK39633 | 5/1 Secondary reference Chromalox Inc Dba Chromalox Precision Heat and Control, Inc |
NSN 4520-00-877-3168 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 4520-00-877-3168 has 2 manufacturer part numbers on file: 2-39633 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), ASK39633-5PC61 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc).
Key specifications for 2-39633: Terminal Quantity: 2; Length: 34.938 INCHES NOMINAL IN; Voltage in Volts and Current Type: 254.0 AC SINGLE VOLTAGE; Body Style: TUBULAR, DOUBLE TERMINALS. 15 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.