The Muffler,exhaust, cataloged under National Stock Number 2990-00-441-7623, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Cummins Filtration Inc.. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 — Miscellaneous Engine Accessories, Nonaircraft (FSG 29) |
| Manufacturers | Deere & Co (CAGE 75160); Cummins Filtration Inc. (CAGE 76700); Deere & Company Dba John Deere Dubuque Works Div John Deere Dubuque Works (CAGE 06021); Brighton Cromwell Llc (CAGE 3NNX8) |
| Parameter | Value |
|---|---|
| NSN | 2990-00-441-7623 |
| Primary Part Number | T-9370 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Cummins Filtration Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| AT35081 | Deere & Co (USA) |
| T-9370 PRIMARY | Cummins Filtration Inc. (USA) |
| AT77424 | Deere & Company Dba John Deere Dubuque Works Div John Deere Dubuque Works (USA) |
| ABT9370 | Brighton Cromwell Llc (USA) |
| Reference | Meaning |
|---|---|
| 9370 | D/9 Drawing number reference only Cummins Filtration Inc. |
| AT28414 | 5/9 Secondary reference Deere & Co |
| ABT9370 | 5/9 Secondary reference Ar Bee Corp |
| T10126 | C/1 Advisory reference — outside the item-of-supply concept Cummins Filtration Inc. |
| AT35081 | 5/9 Secondary reference Deere & Company Dba John Deere Dubuque Works Div John Deere Dubuque Works |
| AT28414 | 5/9 Secondary reference Deere & Company Dba John Deere Dubuque Works Div John Deere Dubuque Works |
NSN 2990-00-441-7623 is a Muffler,exhaust, manufactured by Cummins Filtration Inc., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-00-441-7623 has 4 manufacturer part numbers on file: AT35081 (Deere & Co), T-9370 (Cummins Filtration Inc.), AT77424 (Deere & Company Dba John Deere Dubuque Works Div John Deere Dubuque Works), ABT9370 (Brighton Cromwell Llc).
6 possible matches (shared part number, not a government interchangeability claim): 5999-00-786-4622, 2990-01-138-7213, 5320-01-226-7586. Verify interchangeability with system specifications before substitution.
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.