The Cover,fluid Filter, cataloged under National Stock Number 2940-00-033-2789, is classified within Federal Supply Class 2940 (Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft) of the Engine Accessories group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2940-00-033-2789 |
| Item Name | Cover,fluid Filter |
| FSC / FSG | 2940 / 29 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft |
| Status | ACTIVE |
| Length | 4.875 INCHES NOMINAL IN |
| Distance Between Holes Along Length | 4.250 INCHES NOMINAL IN |
| Flange Thickness | 0.375 INCHES NOMINAL IN |
| First Recess Inside Height | 9.750 INCHES NOMINAL IN |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Cross-Sectional Shape Style | CIRCULAR RECESS |
| Inside Diameter | 3.500 INCHES NOMINAL IN |
| Thread Size | 0.375-18 |
| Fluid Filter Element Retainer | NOT INCLUDED |
| Peripheral Shape Style | DIAMOND |
| Width | 4.000 INCHES NOMINAL IN |
| Material | STEEL |
| Hole Diameter | 0.188 INCHES NOMINAL IN |
| Attachment Method | BOLTED |
| Body Thickness | 0.125 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 |
| Reference | Meaning |
|---|---|
| 8343159 | 3/9 Design control — primary reference General Motors Corp Electro-Motive Div |
| 83160 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 8343159 | 5/9 Secondary reference General Motors Corp |
NSN 2940-00-033-2789 is a Cover,fluid Filter, classified under FSC 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 5945-00-120-8846, 5330-01-143-6333, 5342-01-257-7668. Verify interchangeability with system specifications before substitution.
Key specifications for 2940-00-033-2789: Length: 4.875 INCHES NOMINAL IN; Distance Between Holes Along Length: 4.250 INCHES NOMINAL IN; Flange Thickness: 0.375 INCHES NOMINAL IN; First Recess Inside Height: 9.750 INCHES NOMINAL IN. 15 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.