The Heating Element,electrical,immer, cataloged under National Stock Number 4520-01-472-9864, 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 Cospolich Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-472-9864 |
| Primary Part Number | L1HR77 |
| Item Name | Heating Element,electrical,immer |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Cospolich Inc. |
| 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 |
|---|---|
| L1HR77 PRIMARY | Cospolich Inc. (USA) |
| Reference | Meaning |
|---|---|
| 00078 | 5/9 Secondary reference Cospolich Inc. |
| 50369 ITEM 25 | 5/9 Secondary reference Cospolich Inc. |
NSN 4520-01-472-9864 is a Heating Element,electrical,immer, manufactured by Cospolich Inc., classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-472-9864 has 1 manufacturer part number on file: L1HR77 (Cospolich Inc.).
Key specifications for L1HR77: Part Name Assigned by Controlling Agency: HEATING ELEMENT; End Item Identification: CRANE. 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.