The Filter,fluid, cataloged under National Stock Number 2940-01-061-5681, 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 U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 21 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2940-01-061-5681 |
| Primary Part Number | 11669421 |
| Item Name | Filter,fluid |
| FSC / FSG | 2940 / 29 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Mounting Hole Quantity | 3 |
| Filtration Rating in Microns | 10.0 ABSOLUTE |
| Distance Between Mounting Hole Centers | 2.625 INCHES NOMINAL IN |
| First Intake Nominal Thread Size | 1.063 INCHES IN |
| Drop Pressure | ERR-060 |
| First Intake Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) |
| Design Type | REUSABLE |
| Body Outside Diameter | 3.012 INCHES NOMINAL IN |
| First Intake Thread Direction | RIGHT-HAND |
| Body Height | 16.090 INCHES NOMINAL IN |
| First Intake Connection Type | THREADED INTERNAL TUBE SIDE |
| First Intake Thread Class | 3B |
| Style Designator | HIGH PRESSURE THREADED BODY |
| Mounting Hole Diameter | 0.266 INCHES NOMINAL IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Filtering Element Quantity | 1 |
| Filtering System for Which Designed | FULL FLOW |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| Differential Pressure | ERR-060 |
| First Intake Thread Quantity Per Inch | 12 |
| Mounting Type | UNTHREADED HOLE SIDE |
| 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 |
|---|---|
| 11669421 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 2940-01-061-5681 is a Filter,fluid, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. Status: active.
NSN 2940-01-061-5681 has 1 manufacturer part number on file: 11669421 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 11669421: Mounting Hole Quantity: 3; Filtration Rating in Microns: 10.0 ABSOLUTE; Distance Between Mounting Hole Centers: 2.625 INCHES NOMINAL IN; First Intake Nominal Thread Size: 1.063 INCHES IN. 21 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.