The Filter,fluid, cataloged under National Stock Number 2940-00-441-8129, 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 Rolls-Royce Solutions America Inc. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2940-00-441-8129 |
| Primary Part Number | 6438799 |
| Item Name | Filter,fluid |
| FSC / FSG | 2940 / 29 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft |
| Manufacturer | Rolls-Royce Solutions America Inc |
| Status | ACTIVE |
| First Discharge Connection Type | THREADED INTERNAL PIPE SIDE |
| First Intake Nominal Thread Size | 0.750 INCHES IN |
| First Intake Thread Series Designator | NPT |
| Design Type | REUSABLE |
| First Intake Thread Direction | RIGHT-HAND |
| Body Height | 6.250 INCHES NOMINAL IN |
| First Intake Connection Type | THREADED INTERNAL PIPE SIDE |
| First Discharge Nominal Thread Size | 0.750 INCHES IN |
| Features Provided | DRAIN PLUG |
| Body Length | 11.750 INCHES NOMINAL IN |
| First Discharge Thread Series Designator | NPT |
| 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 |
|---|---|
| 6438799 PRIMARY | Rolls-Royce Solutions America Inc (USA) |
| Reference | Meaning |
|---|---|
| 6438799 | 5/9 Secondary reference General Motors Llc Dba General Motors |
| 6438799 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
NSN 2940-00-441-8129 is a Filter,fluid, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. Status: active.
NSN 2940-00-441-8129 has 1 manufacturer part number on file: 6438799 (Rolls-Royce Solutions America Inc).
Key specifications for 6438799: First Discharge Connection Type: THREADED INTERNAL PIPE SIDE; First Intake Nominal Thread Size: 0.750 INCHES IN; First Intake Thread Series Designator: NPT; Design Type: REUSABLE. 11 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.