The Bonnet,fluid Heater Industrial, cataloged under National Stock Number 4420-01-337-7419, is classified within Federal Supply Class 4420 (Heat Exchangers and Steam Condensers) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4420-01-337-7419 |
| Primary Part Number | 50-31-E-016SS |
| Item Name | Bonnet,fluid Heater Industrial |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Reference Number Differentiating Characteristics | QUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR SUBSAFE ITEMS |
| 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 |
|---|---|
| 50-31-E-016SS | Naval Inventory Control Point Mechanicsburg (USA) |
| 150-001-E-015 ITEM 20SS | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 150-001-E-015 ITEM 20 | 3/9 Design control — primary reference Beaird Industries Inc. |
| 50-31-E-016 | 5/9 Secondary reference Beaird Industries Inc. |
NSN 4420-01-337-7419 is a Bonnet,fluid Heater Industrial, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-01-337-7419 has 2 manufacturer part numbers on file: 50-31-E-016SS (Naval Inventory Control Point Mechanicsburg), 150-001-E-015 ITEM 20SS (Naval Inventory Control Point Mechanicsburg).
Key specifications for 50-31-E-016SS: End Item Identification: DISTILLING PLANT 12000GPD; Reference Number Differentiating Characteristics: QUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR SUBSAFE ITEMS. 1 specification is 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.