The Bonnet,fluid Cooler,industrial, cataloged under National Stock Number 4420-01-270-6510, 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 Enerquip, Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Bonnet,fluid Cooler,industrial |
| FSC / FSG | 4420 — Heat Exchangers and Steam Condensers (FSG 44) |
| Manufacturers | Enerquip, Llc (CAGE 54539) |
| Parameter | Value |
|---|---|
| NSN | 4420-01-270-6510 |
| Primary Part Number | 2515-8 |
| Item Name | Bonnet,fluid Cooler,industrial |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Enerquip, Llc |
| 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 |
|---|---|
| 2515-8 PRIMARY | Enerquip, Llc (USA) |
| Reference | Meaning |
|---|---|
| 1-2515-8 | D/9 Drawing number reference only Enerquip, Llc |
NSN 4420-01-270-6510 is a Bonnet,fluid Cooler,industrial, manufactured by Enerquip, Llc, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-01-270-6510 has 1 manufacturer part number on file: 2515-8 (Enerquip, Llc).
2 possible matches (shared part number, not a government interchangeability claim): 5330-01-533-0862, 5340-01-701-2965. Verify interchangeability with system specifications before substitution.
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.