The Filter,fluid, cataloged under National Stock Number 2940-00-251-2138, is classified within Federal Supply Class 2940 (Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft) of the Engine Accessories group. Government technical data includes 29 specifications, cited from the U.S. Government catalog. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 2940-00-251-2138 |
| Item Name | Filter,fluid |
| FSC / FSG | 2940 / 29 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft |
| Status | ACTIVE |
| Filtering Media Design | PLEATED SINGLE FILTERING MEDIA RESPONSE |
| Mounting Hole Quantity | 2 |
| Filtration Rating in Microns | 10.0 NOMINAL |
| Distance From Bottom of Body to Center of Inlet | 6.760 INCHES NOMINAL IN |
| Distance Between Mounting Hole Centers | 1.500 INCHES NOMINAL IN |
| First Intake Nominal Thread Size | 0.750 INCHES IN |
| Mounting Facility Nominal Thread Size | 0.250 INCHES IN |
| Drop Pressure | ERR-060 |
| First Intake Thread Series Designator | NPT |
| Design Type | REUSABLE |
| Temp Rating | -65.0 FAHRENHEIT MINIMUM AND 250.0 FAHRENHEIT MAXIMUM DEGF |
| First Intake Thread Direction | RIGHT-HAND |
| Body Width | 1.880 INCHES NOMINAL IN |
| Body Height | 7.600 INCHES NOMINAL IN |
| First Intake Connection Type | THREADED INTERNAL PIPE HEAD SIDE |
| Style Designator | TEE TYPE (HYDRAULIC) |
| Operating Pressure | 100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Features Provided | BY-PASS VALVE |
| Filtering Element Quantity | 1 |
| Body Length | 3.820 INCHES NOMINAL IN |
| Filtering System for Which Designed | FULL FLOW |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| Media for Which Designed | FUEL/OIL, HYDROCARBON |
| Mounting Facility Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Material | RUBBER BUNA N SEAL |
| Material | PAPER AND RESIN SYNTHETIC FILTERING MEDIUM |
| Material | ALUMINUM BODY |
| Mounting Type | INLET CONNECTION AND OUTLET CONNECTION LINE |
| Mounting Type | THREADED HOLE TOP |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| FSP107-1EDNN | 3/9 Design control — primary reference Parker Hannifin Corporation Dba Gresen Hydraulics Div Hydraulic Valve Division |
| MMC61PC13 | 5/9 Secondary reference Parker Hannifin Corporation Dba Gresen Hydraulics Div Hydraulic Valve Division |
| MMC61PC13 | C/1 Advisory reference — outside the item-of-supply concept Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division |
| FSP107-1EDNX | 5/9 Secondary reference Parker Hannifin Corporation Dba Gresen Hydraulics Div Hydraulic Valve Division |
| 100985 ITEM 7 | 5/9 Secondary reference Culver Fritz Inc |
| 104992 | 5/9 Secondary reference Linde Lift Truck Corp. |
| F101-100-E | 5/9 Secondary reference Parker Hannifin Corporation Dba Gresen Hydraulics Div Hydraulic Valve Division |
| 516-4510937S5 | 5/9 Secondary reference Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace |
| FSP107-1EDNN | C/1 Advisory reference — outside the item-of-supply concept Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division |
| FB101 | 5/9 Secondary reference Parker Hannifin Corporation Dba Gresen Hydraulics Div Hydraulic Valve Division |
NSN 2940-00-251-2138 is a Filter,fluid, classified under FSC 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 3110-01-087-8854. Verify interchangeability with system specifications before substitution.
Key specifications for 2940-00-251-2138: Filtering Media Design: PLEATED SINGLE FILTERING MEDIA RESPONSE; Mounting Hole Quantity: 2; Filtration Rating in Microns: 10.0 NOMINAL; Distance From Bottom of Body to Center of Inlet: 6.760 INCHES NOMINAL IN. 29 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.