The Filter,fluid, cataloged under National Stock Number 2940-00-172-0334, 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 Hatch & Kirk, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2940-00-172-0334 |
| Primary Part Number | 82257DS |
| Item Name | Filter,fluid |
| FSC / FSG | 2940 / 29 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft |
| Manufacturer | Hatch & Kirk, Inc. |
| Status | ACTIVE |
| Filtering Media Design | MESH SINGLE FILTERING MEDIA RESPONSE |
| Design Type | REUSABLE |
| Body Width | 6.500 INCHES NOMINAL IN |
| Body Height | 11.000 INCHES NOMINAL IN |
| Features Provided | AIR BLEED VALVE |
| Filtering Element Quantity | 2 |
| Body Length | 11.500 INCHES NOMINAL IN |
| Material | COPPER ALLOY FILTERING MEDIUM |
| 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 |
|---|---|
| 82257DS PRIMARY | Hatch & Kirk, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 82257DS | 5/9 Secondary reference Hercules Engine Co Inc |
NSN 2940-00-172-0334 is a Filter,fluid, manufactured by Hatch & Kirk, Inc., classified under FSC 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. Status: active.
NSN 2940-00-172-0334 has 1 manufacturer part number on file: 82257DS (Hatch & Kirk, Inc.).
Key specifications for 82257DS: Filtering Media Design: MESH SINGLE FILTERING MEDIA RESPONSE; Design Type: REUSABLE; Body Width: 6.500 INCHES NOMINAL IN; Body Height: 11.000 INCHES NOMINAL IN. 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.