The Filter,fluid, cataloged under National Stock Number 4330-01-470-6237, 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 Norman Filter Company, L.l.c. Dba Norman Filter Co Llc. Government technical data includes 18 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-470-6237 |
| Primary Part Number | 4575GF-B3AN-VR-DR2 |
| Item Name | Filter,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Norman Filter Company, L.l.c. Dba Norman Filter Co Llc |
| Status | ACTIVE |
| Filtration Rating in Microns | 3.0 ABSOLUTE |
| First Intake Nominal Thread Size | 0.750 INCHES IN |
| First Intake Thread Series Designator | UN |
| Design Type | REUSABLE |
| Body Outside Diameter | 2.750 INCHES MINIMUM AND 3.750 INCHES MAXIMUM IN |
| First Intake Thread Direction | RIGHT-HAND |
| Body Height | 8.000 INCHES MINIMUM AND 8.250 INCHES MAXIMUM IN |
| First Intake Connection Type | THREADED INTERNAL PIPE SIDE NEAR TOP |
| First Intake Thread Class | 2B |
| Style Designator | THREADED SHELL (MASON JAR) |
| Operating Pressure | 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Filtering Element Quantity | 1 |
| Filtering System for Which Designed | BY-PASS FLOW OR FULL FLOW |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| Material | GLASS FIBER FILTERING MEDIUM |
| Material | STEEL COMP 303 FRAME |
| First Intake Thread Quantity Per Inch | 12 |
| Mounting Type | INLET CONNECTION AND OUTLET CONNECTION SIDE NEAR TOP |
| 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 |
|---|---|
| 4575GF-B3AN-VR-DR2 PRIMARY | Norman Filter Company, L.l.c. Dba Norman Filter Co Llc (USA) |
| Reference | Meaning |
|---|---|
| MS33649-12 | 4/1 Identification reference U.S. Government activity |
| 4500 SERIES | D/9 Drawing number reference only Norman Filter Company, L.l.c. Dba Norman Filter Co Llc |
NSN 4330-01-470-6237 is a Filter,fluid, manufactured by Norman Filter Company, L.l.c. Dba Norman Filter Co Llc, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-470-6237 has 1 manufacturer part number on file: 4575GF-B3AN-VR-DR2 (Norman Filter Company, L.l.c. Dba Norman Filter Co Llc).
2 possible matches (shared part number, not a government interchangeability claim): 4330-01-470-6238, 4330-01-470-6240. Verify interchangeability with system specifications before substitution.
Key specifications for 4575GF-B3AN-VR-DR2: Filtration Rating in Microns: 3.0 ABSOLUTE; First Intake Nominal Thread Size: 0.750 INCHES IN; First Intake Thread Series Designator: UN; Design Type: REUSABLE. 18 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.