The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-01-137-7798, 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 Sears, Roebuck and Co. Dba Sears Div Sears Commercial. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4520-01-137-7798 |
| Primary Part Number | 279455 |
| Item Name | Heating Element,electrical,nonim |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Sears, Roebuck and Co. Dba Sears Div Sears Commercial |
| Status | ACTIVE |
| 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 |
|---|---|
| 279455 | Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA) |
| Reference | Meaning |
|---|---|
| 279411 | 5/9 Secondary reference Sears, Roebuck and Co. Dba Sears Div Sears Commercial |
| 690241 | 5/9 Secondary reference Sears, Roebuck and Co. Dba Sears Div Sears Commercial |
| 279455 | 3/2 Design control — primary reference U.S. Government activity |
| 689980 | 5/9 Secondary reference Sears, Roebuck and Co. Dba Sears Div Sears Commercial |
NSN 4520-01-137-7798 is a Heating Element,electrical,nonim, manufactured by Sears, Roebuck and Co. Dba Sears Div Sears Commercial, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-137-7798 has 1 manufacturer part number on file: 279455 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial).
2 possible matches (shared part number, not a government interchangeability claim): 5985-01-271-8594, 6520-01-469-8869. Verify interchangeability with system specifications before substitution.
Key specifications for 279455: End Item Identification: SEARS ROEBUCK AND CO MODEL 110.76974810. 0 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.