The Cover,fluid Filter, cataloged under National Stock Number 4330-00-366-2985, 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 Farr Co. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-00-366-2985 |
| Primary Part Number | B2487 |
| Item Name | Cover,fluid Filter |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Farr Co |
| Status | ACTIVE |
| Bolt Circle Hole Quantity | 4 |
| Mounting Hole Type and Quantity | 4 PLAIN |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Outside Diameter | 9.000 INCHES NOMINAL IN |
| Bolt Circle Diameter | 8.000 INCHES NOMINAL IN |
| Fluid Filter Element Retainer | NOT INCLUDED |
| Material | IRON CAST |
| Hole Diameter | 0.563 INCHES NOMINAL IN |
| Body Thickness | 0.688 INCHES NOMINAL IN |
| 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 |
|---|---|
| B2487 PRIMARY | Farr Co (USA) |
| Reference | Meaning |
|---|---|
| 8173849 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
NSN 4330-00-366-2985 is a Cover,fluid Filter, manufactured by Farr Co, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-00-366-2985 has 1 manufacturer part number on file: B2487 (Farr Co).
Key specifications for B2487: Bolt Circle Hole Quantity: 4; Mounting Hole Type and Quantity: 4 PLAIN; Mounting Opening Shape Style: UNTHREADED HOLE; Outside Diameter: 9.000 INCHES NOMINAL IN. 9 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.