The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-00-026-7939, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-00-026-7939 |
| Item Name | Heating Element,electrical,nonim |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Status | ACTIVE |
| Terminal Quantity | 1 |
| Body Style | TUBULAR, SINGLE COIL DOUBLE TERMINALS |
| Element Connection Style | STUD TYPE |
| Mounting Method Style | STUD TYPE MOUNTING FACILITY |
| Nominal Thread Size | 0.164 INCHES STUD IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) STUD |
| Thread Quantity | 32.0 PER INCH STUD |
| 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 |
| Reference | Meaning |
|---|---|
| D4-4795-6643 | 5/9 Secondary reference U.S. Government activity |
| 1332715 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 4520-00-026-7939 is a Heating Element,electrical,nonim, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 3120-01-310-4642, 5930-01-316-1753, 3120-01-366-5220. Verify interchangeability with system specifications before substitution.
Key specifications for 4520-00-026-7939: Terminal Quantity: 1; Body Style: TUBULAR, SINGLE COIL DOUBLE TERMINALS; Element Connection Style: STUD TYPE; Mounting Method Style: STUD TYPE MOUNTING FACILITY. 8 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.