The Shell,fluid Cooler,industrial, cataloged under National Stock Number 4420-01-481-9929, 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 Emerson Electric Co Alco Controls Div. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4420-01-481-9929 |
| Primary Part Number | BTAS 313S-V |
| Item Name | Shell,fluid Cooler,industrial |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Emerson Electric Co Alco Controls Div |
| Status | ACTIVE |
| Flange Diameter | 4.625 INCHES NOMINAL4.625 INCHES NOMINAL IN |
| Length | 11.250 INCHES NOMINAL11.250 INCHES NOMINAL IN |
| Style Designator | FLANGE WITH BEAD |
| Diameter | 3.468 INCHES NOMINAL3.468 INCHES NOMINAL IN |
| Material | BRASS OVERALL |
| 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 |
|---|---|
| 226L62562-M00 | Johnson Controls Ltd, York Navy Systems (GBR) |
| BTAS 313S-V PRIMARY | Emerson Electric Co Alco Controls Div (USA) |
| 226L62562 | Johnson Controls Ltd, York Navy Systems (GBR) |
NSN 4420-01-481-9929 is a Shell,fluid Cooler,industrial, manufactured by Emerson Electric Co Alco Controls Div, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-01-481-9929 has 3 manufacturer part numbers on file: 226L62562-M00 (Johnson Controls Ltd, York Navy Systems), BTAS 313S-V (Emerson Electric Co Alco Controls Div), 226L62562 (Johnson Controls Ltd, York Navy Systems).
Key specifications for BTAS 313S-V: Flange Diameter: 4.625 INCHES NOMINAL4.625 INCHES NOMINAL IN; Length: 11.250 INCHES NOMINAL11.250 INCHES NOMINAL IN; Style Designator: FLANGE WITH BEAD; Diameter: 3.468 INCHES NOMINAL3.468 INCHES NOMINAL IN. 5 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.