The Firing Package, cataloged under National Stock Number 4520-01-532-7115, 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. Div Chromalox. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-532-7115 |
| Primary Part Number | 0135-28084-0001 |
| Item Name | Firing Package |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Chromalox, Inc. Div Chromalox |
| 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 |
|---|---|
| 0135-28084-0001 PRIMARY | Chromalox, Inc. Div Chromalox (USA) |
| D52558-01 ITEM 19 | Chromalox, Inc. Div Chromalox (USA) |
| D-52560-01 ITEM 18 | Chromalox, Inc. Div Chromalox (USA) |
| D-52559-01 ITEM 19 | Chromalox, Inc. Div Chromalox (USA) |
NSN 4520-01-532-7115 is a Firing Package, manufactured by Chromalox, Inc. Div Chromalox, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-532-7115 has 4 manufacturer part numbers on file: 0135-28084-0001 (Chromalox, Inc. Div Chromalox), D52558-01 ITEM 19 (Chromalox, Inc. Div Chromalox), D-52560-01 ITEM 18 (Chromalox, Inc. Div Chromalox), D-52559-01 ITEM 19 (Chromalox, Inc. Div Chromalox).
Key specifications for 0135-28084-0001: End Item Identification: CONTROL OIL SVC HTR CONT 4239-90030. 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.