The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-01-424-6353, 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 Yanmar Co. Ltd.. 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4520-01-424-6353 |
| Primary Part Number | 129400-77501 |
| Item Name | Heating Element,electrical,nonim |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Yanmar Co. Ltd. |
| 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 |
|---|---|
| 129400-77501 | Yanmar Co. Ltd. (JPN) |
| 129400-77502 | Yanmar Mastry Engine Center, Llc Dba Mastry Engine Center (USA) |
| Reference | Meaning |
|---|---|
| 129400-77501 | 3/9 Design control — primary reference Yanmar Diesel America Corp |
| AUK4144.026 | 5/9 Secondary reference Anteon Limited |
| 129400-77502 | C/1 Advisory reference — outside the item-of-supply concept Yanmar America Corporation |
| AUK4144.026 | 5/1 Secondary reference General Dynamics United Kingdom Limited |
| 129400-77502 | 5/9 Secondary reference Yanmar Diesel America Corp |
| 129400-77501 | 5/9 Secondary reference Yanmar Diesel Engine Co Ltd |
| C-CS0266-325 | 5/1 Secondary reference Cmca Ltd |
NSN 4520-01-424-6353 is a Heating Element,electrical,nonim, manufactured by Yanmar Co. Ltd., classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-424-6353 has 2 manufacturer part numbers on file: 129400-77501 (Yanmar Co. Ltd.), 129400-77502 (Yanmar Mastry Engine Center, Llc Dba Mastry Engine Center).
Key specifications for 129400-77501: Part Name Assigned by Controlling Agency: AIR HEATER; End Item Identification: HEATER ASSEMBLY, COMBUSTION AIR, NATIONAL DEFENCE HQ, MODEL 9480755. 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.