The Filter,fluid, cataloged under National Stock Number 4330-01-332-1639, 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 H.d. Hudson Manufacturing Company Div Professional Division. Government technical data includes 16 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-332-1639 |
| Primary Part Number | 146-605 |
| Item Name | Filter,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | H.d. Hudson Manufacturing Company Div Professional Division |
| Status | ACTIVE |
| Filtering Media Design | MATTED SINGLE FILTERING MEDIA RESPONSE |
| First Intake Nominal Thread Size | 0.250 INCHES IN |
| First Intake Thread Series Designator | UNF |
| Design Type | REUSABLE |
| Body Outside Diameter | 0.250 INCHES NOMINAL IN |
| First Intake Thread Direction | RIGHT-HAND |
| First Intake Connection Type | THREADED EXTERNAL PIPE END |
| Style Designator | INLINE (HYDRAULIC) |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Filtering Element Quantity | 1 |
| Body Length | 1.250 INCHES NOMINAL IN |
| Filtering System for Which Designed | FULL FLOW |
| Media for Which Designed | AIR |
| Material | COPPER ALLOY BODY |
| Material | WOOL FILTERING MEDIUM |
| Mounting Type | OUTLET CONNECTION END |
| 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 |
|---|---|
| 146-605 PRIMARY | H.d. Hudson Manufacturing Company Div Professional Division (USA) |
NSN 4330-01-332-1639 is a Filter,fluid, manufactured by H.d. Hudson Manufacturing Company Div Professional Division, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-332-1639 has 1 manufacturer part number on file: 146-605 (H.d. Hudson Manufacturing Company Div Professional Division).
Key specifications for 146-605: Filtering Media Design: MATTED SINGLE FILTERING MEDIA RESPONSE; First Intake Nominal Thread Size: 0.250 INCHES IN; First Intake Thread Series Designator: UNF; Design Type: REUSABLE. 16 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.