The Filter,fluid, cataloged under National Stock Number 2940-01-377-4276, 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 Swagelok Co. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2940-01-377-4276 |
| Primary Part Number | SS-4F2-15 |
| Item Name | Filter,fluid |
| FSC / FSG | 2940 / 29 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft |
| Manufacturer | Swagelok Co |
| Status | ACTIVE |
| Filtration Rating in Microns | 15.0 NOMINAL |
| First Intake Nominal Thread Size | 0.250 INCHES IN |
| First Intake Thread Series Designator | NPT |
| Design Type | LIMITED |
| First Intake Connection Type | THREADED EXTERNAL PIPE END |
| Filtering Element Quantity | 1 |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| Media for Which Designed | ANY ACCEPTABLE |
| 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 |
|---|---|
| SS-4F2-15 PRIMARY | Swagelok Co (USA) |
| Reference | Meaning |
|---|---|
| SS-4F2-15 | 5/9 Secondary reference Nupro Co |
NSN 2940-01-377-4276 is a Filter,fluid, manufactured by Swagelok Co, classified under FSC 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. Status: active.
NSN 2940-01-377-4276 has 1 manufacturer part number on file: SS-4F2-15 (Swagelok Co).
Key specifications for SS-4F2-15: Filtration Rating in Microns: 15.0 NOMINAL; First Intake Nominal Thread Size: 0.250 INCHES IN; First Intake Thread Series Designator: NPT; Design Type: LIMITED. 8 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.