The Enclosure,heater, cataloged under National Stock Number 4520-01-430-0186, 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 Mussun Sales Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-430-0186 |
| Primary Part Number | 5H56963D |
| Item Name | Enclosure,heater |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Mussun Sales Inc |
| Status | ACTIVE |
| General Characteristics Item Description | FRONT CASING WITH HEAT OUTLET OPENING OF 16" X 16" |
| Material | STEEL |
| 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 |
|---|---|
| 5H56963D | Mussun Sales Inc (USA) |
| 5H56963D | Carr Supply, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 5H56963D | 3/9 Design control — primary reference Modine Mfg Co |
| HS-63 PIECE 2 | 5/9 Secondary reference Modine Mfg Co |
| HS-63 PIECE 2 | C/1 Advisory reference — outside the item-of-supply concept Modine Manufacturing Co |
| 5H56963D | C/1 Advisory reference — outside the item-of-supply concept Modine Manufacturing Co |
NSN 4520-01-430-0186 is a Enclosure,heater, manufactured by Mussun Sales Inc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-430-0186 has 2 manufacturer part numbers on file: 5H56963D (Mussun Sales Inc), 5H56963D (Carr Supply, Inc.).
Key specifications for 5H56963D: Overall Height: 22.000 INCHES NOMINAL IN; General Characteristics Item Description: FRONT CASING WITH HEAT OUTLET OPENING OF 16" X 16"; Overall Width: 22.000 INCHES NOMINAL IN; Special Features: ITEM IS FOR MODINE HS-63 HORIZONTAL DELIVERY STEAM/HOT WATER HEATER. 2 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.