The Bonnet,fluid Cooler,industrial, cataloged under National Stock Number 4420-01-263-9714, 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 Fluid Handling Llc. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4420-01-263-9714 |
| Primary Part Number | 3-125-3-06-299-01 |
| Item Name | Bonnet,fluid Cooler,industrial |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Fluid Handling Llc |
| Status | ACTIVE |
| Length | 6.160 INCHES NOMINAL6.160 INCHES NOMINAL IN |
| Style Designator | END BONNET |
| Material Document and Classification | QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE HOUSING |
| Diameter | 5.560 INCHES MINIMUM AND 5.560 INCHES MINIMUM AND 8.250 INCHES MAXIMUM8.250 INCHES MAXIMUM IN |
| Flow Type | SINGLE PASSSINGLE PASS |
| Material | IRON HOUSING |
| 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 |
|---|---|
| 3-125-3-06-299-01 PRIMARY | Fluid Handling Llc (USA) |
| Reference | Meaning |
|---|---|
| 3-125-3-06-299-01 | 5/9 Secondary reference Itt Corporation Dba Itt Standard |
NSN 4420-01-263-9714 is a Bonnet,fluid Cooler,industrial, manufactured by Fluid Handling Llc, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-01-263-9714 has 1 manufacturer part number on file: 3-125-3-06-299-01 (Fluid Handling Llc).
Key specifications for 3-125-3-06-299-01: Length: 6.160 INCHES NOMINAL6.160 INCHES NOMINAL IN; Style Designator: END BONNET; Material Document and Classification: QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE HOUSING; Diameter: 5.560 INCHES MINIMUM AND 5.560 INCHES MINIMUM AND 8.250 INCHES MAXIMUM8.250 INCHES MAXIMUM IN. 6 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.