The Muffler,exhaust, cataloged under National Stock Number 2990-01-131-5767, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Deere & Company Dba Deere John Co. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-131-5767 |
| Primary Part Number | AT21795 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Deere & Company Dba Deere John Co |
| Status | ACTIVE |
| Operating Position | VERTICAL |
| Design Type | DRY |
| Body Shape | ROUND |
| 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 |
|---|---|
| T9512 | Cummins Filtration Inc. (USA) |
| AT21795 PRIMARY | Deere & Company Dba Deere John Co (USA) |
| Reference | Meaning |
|---|---|
| AT 21795 | 5/9 Secondary reference Deere & Company Dba John Deere Dubuque Works Div John Deere Dubuque Works |
| AT21795 | 5/9 Secondary reference Deere & Co |
NSN 2990-01-131-5767 is a Muffler,exhaust, manufactured by Deere & Company Dba Deere John Co, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-131-5767 has 2 manufacturer part numbers on file: T9512 (Cummins Filtration Inc.), AT21795 (Deere & Company Dba Deere John Co).
Key specifications for AT21795: Operating Position: VERTICAL; Design Type: DRY; Body Shape: ROUND; End Item Identification: 2420-00-127-6620. 3 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.