The Filter,fluid, cataloged under National Stock Number 4330-01-165-6084, 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 Kaye and Macdonald Inc. Government technical data includes 20 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4330-01-165-6084 |
| Primary Part Number | 348 SIZE 1/2 GRADE A |
| Item Name | Filter,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Kaye and Macdonald Inc |
| Status | ACTIVE |
| Filtering Media Design | POROUS SINGLE FILTERING MEDIA RESPONSE |
| First Intake Nominal Thread Size | 0.500 INCHES IN |
| First Intake Thread Series Designator | NPT |
| Design Type | REUSABLE |
| Temp Rating | 250.0 FAHRENHEIT NOMINAL DEGF |
| First Intake Thread Direction | RIGHT-HAND |
| Body Width | 5.875 INCHES NOMINAL IN |
| Body Height | 8.625 INCHES NOMINAL IN |
| First Intake Connection Type | THREADED INTERNAL PIPE LINE |
| Style Designator | HIGH PRESSURE BOLTED SHELL |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Features Provided | DRAIN PLUG |
| Filtering Element Quantity | 1 |
| Body Length | 4.000 INCHES NOMINAL IN |
| Filtering System for Which Designed | FULL FLOW |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| Media for Which Designed | AIR AND WATER |
| Material | IRON BODY |
| Material | COPPER ALLOY FILTERING MEDIUM |
| Mounting Type | INLET CONNECTION AND OUTLET CONNECTION LINE |
| 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 |
|---|---|
| 348 SIZE 1/2 GRADE A PRIMARY | Kaye and Macdonald Inc (USA) |
| MDL.A-1/2 | Kaye and Macdonald Inc (USA) |
| Reference | Meaning |
|---|---|
| 348 | D/9 Drawing number reference only Kaye and Macdonald Inc |
NSN 4330-01-165-6084 is a Filter,fluid, manufactured by Kaye and Macdonald Inc, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-165-6084 has 2 manufacturer part numbers on file: 348 SIZE 1/2 GRADE A (Kaye and Macdonald Inc), MDL.A-1/2 (Kaye and Macdonald Inc).
Key specifications for 348 SIZE 1/2 GRADE A: Filtering Media Design: POROUS SINGLE FILTERING MEDIA RESPONSE; First Intake Nominal Thread Size: 0.500 INCHES IN; First Intake Thread Series Designator: NPT; Design Type: REUSABLE. 20 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.