The Filter Element,fluid, cataloged under National Stock Number 4330-01-475-4020, 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 Rix Industries. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4330-01-475-4020 |
| Primary Part Number | 77-1024 |
| Item Name | Filter Element,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Rix Industries |
| Status | ACTIVE |
| Filtering Media Design | POROUS SINGLE FILTERING MEDIA RESPONSE |
| Body Diameter | 4.6250 INCHES NOMINAL IN |
| Body Overall Length | 10.5625 INCHES NOMINAL IN |
| Tapered Hole Minor Diameter | 0.2500 INCHES NOMINAL IN |
| Filtration Rating in Microns | 0.30 NOMINAL |
| Flow Direction | OUTSIDE IN OR INSIDE OUT |
| Drop Pressure | ERR-060 |
| Design Type | REUSABLE |
| Temp Rating | 180.0 FAHRENHEIT MAXIMUM DEGF |
| Style Designator | CYLINDRICAL W/ CONTAINER (RIGID) |
| Body Inside Diameter | 4.6250 INCHES NOMINAL IN |
| Tapered Hole Major Diameter | 2.000 INCHES NOMINAL IN |
| Media for Which Designed | AIR OR GAS |
| Material | PLASTIC POLYURETHANE BODY |
| 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 |
|---|---|
| B7081 PC 3 | Rix Industries (USA) |
| 77-1024 PRIMARY | Rix Industries (USA) |
| Reference | Meaning |
|---|---|
| B7081 | D/9 Drawing number reference only Rix Industries |
NSN 4330-01-475-4020 is a Filter Element,fluid, manufactured by Rix Industries, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-475-4020 has 2 manufacturer part numbers on file: B7081 PC 3 (Rix Industries), 77-1024 (Rix Industries).
Key specifications for 77-1024: Filtering Media Design: POROUS SINGLE FILTERING MEDIA RESPONSE; Body Diameter: 4.6250 INCHES NOMINAL IN; Body Overall Length: 10.5625 INCHES NOMINAL IN; Tapered Hole Minor Diameter: 0.2500 INCHES NOMINAL IN. 14 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.