The Plunger,oil Filter, cataloged under National Stock Number 2940-00-911-9941, is classified within Federal Supply Class 2940 (Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 1 specification, 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 | 2940-00-911-9941 |
| Primary Part Number | 8M9928 |
| Item Name | Plunger,oil Filter |
| FSC / FSG | 2940 / 29 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,2.938 IN. O/A LG,BUTTON TYPE KNOB ON ONE END 0.250 IN. OD,@0.125 IN. H,FLANGE ON KNOB END 1.500 IN. OD,0.219 IN. THK,1ST PORTION OF BODY 0.938 IN. OD,1.375 IN. LG,2ND FLANGE 1.500 IN. OD,0.219 IN. THK,1.000 FROM END,2ND PORTION OF BODY 1.125 IN. OD,1.000 IN. LG,PARTIAL BORE 2.594 IN. DEEP,0.625 IN. ID 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 |
|---|---|
| 8M9928 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 2940-00-911-9941 is a Plunger,oil Filter, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. Status: active.
NSN 2940-00-911-9941 has 1 manufacturer part number on file: 8M9928 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 8M9928: General Characteristics Item Description: STEEL,2.938 IN. O/A LG,BUTTON TYPE KNOB ON ONE END 0.250 IN. OD,@0.125 IN. H,FLANGE ON KNOB END 1.500 IN. OD,0.219 IN. THK,1ST PORTION OF BODY 0.938 IN. OD,1.375 IN. LG,2ND FLANGE 1.500 IN. OD,0.219 IN. THK,1.000 FROM END,2ND PORTION OF BODY 1.125 IN. OD,1.000 IN. LG,PARTIAL BORE 2.594 IN. DEEP,0.625 IN. ID IN. 1 specification is 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.