The Filter,fluid, cataloged under National Stock Number 4330-00-240-5876, 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 Pti Technologies Inc.. Government technical data includes 23 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-00-240-5876 |
| Primary Part Number | 31585 |
| Item Name | Filter,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Pti Technologies Inc. |
| Status | ACTIVE |
| First Discharge Thread Class | 2A A |
| Filtering Media Design | MOLDED SINGLE FILTERING MEDIA RESPONSE |
| First Discharge Connection Type | THREADED EXTERNAL TUBE TOP |
| First Intake Nominal Thread Size | 0.438 INCHES IN |
| First Intake Thread Series Designator | UNF |
| Design Type | LIMITED |
| Body Outside Diameter | 1.500 INCHES NOMINAL IN |
| First Intake Thread Direction | RIGHT-HAND |
| First Intake Connection Type | THREADED EXTERNAL TUBE BOTTOM |
| First Intake Thread Class | 2A A |
| Style Designator | INLINE (HYDRAULIC) |
| First Discharge Nominal Thread Size | 0.438 INCHES IN |
| Features Provided | BY-PASS VALVE |
| Filtering Element Quantity | 1 |
| Body Length | 3.125 INCHES NOMINAL IN |
| Filtering System for Which Designed | FULL FLOW |
| First Discharge Thread Direction | RIGHT-HAND |
| First Discharge Connection Relationship to Intake Connection | NOT IDENTICAL |
| Material | PAPER FILTERING MEDIUM |
| Material | ALUMINUM ALLOY SEDIMENT BOWL |
| Mounting Type | OUTLET CONNECTION TOP |
| Mounting Type | INLET CONNECTION BOTTOM |
| First Discharge Thread Series Designator | UNF |
| 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 |
|---|---|
| 31585 PRIMARY | Pti Technologies Inc. (USA) |
| Reference | Meaning |
|---|---|
| 31585 | 5/9 Secondary reference Arvinmeritor Inc |
NSN 4330-00-240-5876 is a Filter,fluid, manufactured by Pti Technologies Inc., classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-00-240-5876 has 1 manufacturer part number on file: 31585 (Pti Technologies Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-430-0037. Verify interchangeability with system specifications before substitution.
Key specifications for 31585: First Discharge Thread Class: 2A A; Filtering Media Design: MOLDED SINGLE FILTERING MEDIA RESPONSE; First Discharge Connection Type: THREADED EXTERNAL TUBE TOP; First Intake Nominal Thread Size: 0.438 INCHES IN. 23 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.