The Filter Element,fluid, cataloged under National Stock Number 2940-01-400-3171, 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 Wm W Nugent & Co Inc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Filter Element,fluid |
| FSC / FSG | 2940 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft (FSG 29) |
| Manufacturers | Naval Sea Systems Command (CAGE 53711); Wm W Nugent & Co Inc (CAGE 44256) |
| Parameter | Value |
|---|---|
| NSN | 2940-01-400-3171 |
| Primary Part Number | 91-059 |
| Item Name | Filter Element,fluid |
| FSC / FSG | 2940 / 29 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft |
| Manufacturer | Wm W Nugent & Co Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 211027506 | Naval Sea Systems Command (USA) |
| 91-059 PRIMARY | Wm W Nugent & Co Inc (USA) |
| 91-059-201 | Wm W Nugent & Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 11915610 | 5/9 Secondary reference U.S. Government activity |
| 11915610 | C/1 Advisory reference — outside the item-of-supply concept Fairbanks Morse, Llc |
NSN 2940-01-400-3171 is a Filter Element,fluid, manufactured by Wm W Nugent & Co Inc, classified under FSC 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. Status: active.
NSN 2940-01-400-3171 has 3 manufacturer part numbers on file: 211027506 (Naval Sea Systems Command), 91-059 (Wm W Nugent & Co Inc), 91-059-201 (Wm W Nugent & Co Inc).
1 possible match (shared part number, not a government interchangeability claim): 2990-01-654-9305. Verify interchangeability with system specifications before substitution.
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.