The Filter,fluid, cataloged under National Stock Number 4330-00-409-3986, is classified within Federal Supply Class 4330 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-00-409-3986 |
| Primary Part Number | 6311F2B |
| Item Name | Filter,fluid |
| FSC / FSG | 4330 / 43 — No Item Name Available |
| Manufacturer | Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok |
| Status | ACTIVE |
| First Intake Thread Direction | RIGHT-HAND |
| Filtering Element Quantity | 1 |
| Mounting Type | INLET CONNECTION AND OUTLET CONNECTION LINE |
| Filtration Rating in Microns | 5.0 ABSOLUTE AND 2.0 NOMINAL |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEAL |
| Filtering System for Which Designed | FULL FLOW |
| First Intake Thread Series Designator | NPT |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Style Designator | INLINE (HYDRAULIC) |
| First Intake Nominal Thread Size | 0.125 INCHES IN |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| Filtering Media Design | SINTERED SINGLE FILTERING MEDIA RESPONSE |
| Material | STEEL CORROSION RESISTING FILTERING MEDIUM |
| First Intake Connection Type | THREADED INTERNAL PIPE END |
| Media for Which Designed | FUEL/OIL, HYDROCARBON AND GAS AND WATER |
| Body Outside Diameter | 0.750 INCHES NOMINAL IN |
| Design Type | REUSABLE |
| Material | COPPER ALLOY BODY |
| Temp Rating | -60.0 FAHRENHEIT MINIMUM AND 450.0 FAHRENHEIT MAXIMUM DEGF |
| Body Length | 2.562 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 6311F2B | J R Douglass Company (USA) |
| 6310F2BAND80410-1 | J R Douglass Company (USA) |
| 631 F2B | Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA) |
| B541-2231 | Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA) |
| 6311F2B PRIMARY | Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA) |
NSN 4330-00-409-3986 is a Filter,fluid, manufactured by Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok, classified under FSC 4330 (No Item Name Available). Status: active.
NSN 4330-00-409-3986 has 5 cross-referenced part numbers: 6311F2B (J R Douglass Company), 6310F2BAND80410-1 (J R Douglass Company), 631 F2B (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok), B541-2231 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok), 6311F2B (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok).
There are 4 known substitutes for 4330-00-409-3986: 4330-00-372-3997, 4330-01-036-3778, 4330-01-155-9214 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 6311F2B: First Intake Thread Direction: RIGHT-HAND; Filtering Element Quantity: 1; Mounting Type: INLET CONNECTION AND OUTLET CONNECTION LINE; Filtration Rating in Microns: 5.0 ABSOLUTE AND 2.0 NOMINAL. 20 total characteristics are documented in the Federal Logistics Information System.