The Filter,fluid, cataloged under National Stock Number 4330-01-440-3993, 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 Sexton & Peake Inc. Government technical data includes 21 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 | 4330-01-440-3993 |
| Primary Part Number | MMCKY-6 |
| Item Name | Filter,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Sexton & Peake Inc |
| Status | ACTIVE |
| Mounting Hole Quantity | 2 |
| Distance Between Mounting Hole Centers | 1.380 INCHES NOMINAL IN |
| First Intake Nominal Thread Size | 1.500 INCHES IN |
| Mounting Facility Nominal Thread Size | 0.250 INCHES IN |
| First Intake Thread Series Designator | NPT |
| Design Type | REUSABLE |
| Body Outside Diameter | 5.910 INCHES NOMINAL IN |
| Temp Rating | 175.0 FAHRENHEIT MAXIMUM DEGF |
| First Intake Thread Direction | RIGHT-HAND |
| Body Height | 19.060 INCHES NOMINAL IN |
| First Intake Connection Type | THREADED INTERNAL PIPE HEAD SIDE |
| Style Designator | THREADED SHELL (MASON JAR) |
| Operating Pressure | 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Filtering Element Quantity | 1 |
| Filtering System for Which Designed | FULL FLOW |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| Media for Which Designed | AIR |
| Mounting Facility Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Material | RUBBER BUNA N SEAL |
| Material | ALUMINUM BODY |
| Mounting Type | THREADED HOLE 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 |
|---|---|
| MMCKY-6 PRIMARY | Sexton & Peake Inc (USA) |
NSN 4330-01-440-3993 is a Filter,fluid, manufactured by Sexton & Peake Inc, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-440-3993 has 1 manufacturer part number on file: MMCKY-6 (Sexton & Peake Inc).
Key specifications for MMCKY-6: Mounting Hole Quantity: 2; Distance Between Mounting Hole Centers: 1.380 INCHES NOMINAL IN; First Intake Nominal Thread Size: 1.500 INCHES IN; Mounting Facility Nominal Thread Size: 0.250 INCHES IN. 21 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.