The Filter,fluid, cataloged under National Stock Number 4330-01-421-0041, is classified within Federal Supply Class 4330 (Centrifugals, Separators, and Pressure and Vacuum Filters) of the Pumps and Compressors group. The manufacturer of record is Hydac Corp. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4330-01-421-0041 |
| Primary Part Number | BL16210BN2.0 |
| Item Name | Filter,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Hydac Corp |
| Status | ACTIVE |
| Mounting Hole Quantity | 6 |
| Filtration Rating in Microns | 10.0 NOMINAL |
| Design Type | LIMITED |
| First Discharge Nominal Inside Diameter | 0.980 INCHES IN |
| Temp Rating | 65.0 FAHRENHEIT MINIMUM AND 210.0 FAHRENHEIT MAXIMUM DEGF |
| First Discharge Flange Outside Diameter | 2.874 INCHES NOMINAL IN |
| First Discharge Nominal Outside Diameter | 2.874 INCHES IN |
| Media for Which Designed | AIR |
| First Discharge Flange Face Style | PLAIN |
| First Discharge Flange Thickness | 0.800 INCHES NOMINAL IN |
| Mounting Type | UNTHREADED HOLE HEAD SIDE |
| First Discharge Flange Shape Style | ROUND W/UNTHREADED BOLT HOLES |
| 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 |
|---|---|
| BL16210BN2.0 PRIMARY | Hydac Corp (USA) |
| Reference | Meaning |
|---|---|
| BL 162 10 BN 2. | C/1 Advisory reference — outside the item-of-supply concept Hydac Corp |
NSN 4330-01-421-0041 is a Filter,fluid, manufactured by Hydac Corp, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-421-0041 has 1 manufacturer part number on file: BL16210BN2.0 (Hydac Corp).
Key specifications for BL16210BN2.0: Mounting Hole Quantity: 6; Filtration Rating in Microns: 10.0 NOMINAL; Design Type: LIMITED; First Discharge Nominal Inside Diameter: 0.980 INCHES IN. 12 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.