The Filter,fluid, cataloged under National Stock Number 4330-00-541-1181, 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 Koby Inc. 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. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4330-00-541-1181 |
| Primary Part Number | JUNI0R |
| Item Name | Filter,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Koby Inc |
| Status | CANCELLED |
| Filtering Media Design | ENCASED SINGLE FILTERING MEDIA RESPONSE |
| First Discharge Connection Type | THREADED EXTERNAL PIPE TOP |
| First Discharge Thread Quantity Per Inch | 18 |
| First Intake Nominal Thread Size | 0.250 INCHES IN |
| First Intake Thread Series Designator | NPT |
| Design Type | REUSABLE |
| Body Outside Diameter | 2.625 INCHES NOMINAL IN |
| First Intake Thread Direction | RIGHT-HAND |
| First Intake Connection Type | THREADED EXTERNAL PIPE BOTTOM |
| Operating Pressure | 90.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| First Discharge Nominal Thread Size | 0.250 INCHES IN |
| Filtering Element Quantity | 1 |
| Body Length | 4.938 INCHES NOMINAL IN |
| First Discharge Thread Direction | RIGHT-HAND |
| First Discharge Connection Relationship to Intake Connection | NOT IDENTICAL |
| Material | CARBON FILTERING MEDIUM |
| First Intake Thread Quantity Per Inch | 18 |
| First Discharge Thread Series Designator | NPT |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| JUNI0R PRIMARY | Koby Inc (USA) |
NSN 4330-00-541-1181 is a Filter,fluid, manufactured by Koby Inc, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: cancelled.
NSN 4330-00-541-1181 has 1 manufacturer part number on file: JUNI0R (Koby Inc).
Key specifications for JUNI0R: Filtering Media Design: ENCASED SINGLE FILTERING MEDIA RESPONSE; First Discharge Connection Type: THREADED EXTERNAL PIPE TOP; First Discharge Thread Quantity Per Inch: 18; First Intake Nominal Thread Size: 0.250 INCHES IN. 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.
NSN 4330-00-541-1181 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.