The Filter Element,fluid, cataloged under National Stock Number 2940-01-628-2406, 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 Northern Tool & Equipment Company Inc. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2940-01-628-2406 |
| Primary Part Number | 56987 |
| Item Name | Filter Element,fluid |
| FSC / FSG | 2940 / 29 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft |
| Manufacturer | Northern Tool & Equipment Company Inc |
| Status | ACTIVE |
| Filtering Media Design | MESH OR ENCASED SINGLE FILTERING MEDIA RESPONSE |
| Body Overall Length | 5.00 INCHES NOMINAL IN |
| Filtration Rating in Microns | 149.0 NOMINAL |
| Flow Direction | INSIDE OUT |
| Design Type | NONREUSABLE |
| Style Designator | CYLINDRICAL W/ INTEGRAL OUTER CASING |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.0 INCHES IN |
| Filtering System for Which Designed | BY-PASS FLOW |
| Media for Which Designed | FUEL/OIL, HYDROCARBON |
| Material | STEEL SCREENING |
| 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 |
|---|---|
| 56987 PRIMARY | Northern Tool & Equipment Company Inc (USA) |
| Reference | Meaning |
|---|---|
| 778646 | 5/9 Secondary reference Northern Tool & Equipment Company Inc |
NSN 2940-01-628-2406 is a Filter Element,fluid, manufactured by Northern Tool & Equipment Company Inc, classified under FSC 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. Status: active.
NSN 2940-01-628-2406 has 1 manufacturer part number on file: 56987 (Northern Tool & Equipment Company Inc).
Key specifications for 56987: Filtering Media Design: MESH OR ENCASED SINGLE FILTERING MEDIA RESPONSE; Body Overall Length: 5.00 INCHES NOMINAL IN; Filtration Rating in Microns: 149.0 NOMINAL; Flow Direction: INSIDE OUT. 12 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.