The Muffler,exhaust, cataloged under National Stock Number 2990-01-026-6650, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Cummins Filtration Inc.. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2990-01-026-6650 |
| Primary Part Number | T-14435 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Cummins Filtration Inc. |
| Status | ACTIVE |
| Operating Position | VERTICAL |
| Inlet Location | ON SIDE OF BODY 5.500 IN C OF INLET TO END OF BODY IN |
| Coolant Type | AIR |
| Design Type | DRY |
| Overall Diameter | 5.000 INCHES NOMINAL IN |
| Inlet Projection Length | 2.500 INCHES NOMINAL SINGLE INLET IN |
| Baffle Quantity | 1 |
| Muffler Design | BAFFLE |
| Tube Quantity | 2 |
| Inlet Connection Type | UNTHREADED SINGLE INLET |
| Body Shape | ROUND |
| Nonconnection Outlet Location | LOCATED ON SIDE OF BODY 90 DEG FROM INLET |
| Nonconnection Outlet Type and Quantity | 120 PERFORATED |
| Nonconnection Outlet Size | 0.250 IN. DIA IN |
| Surface Treatment | PLASTIC POLYPROPYLENE |
| Inlet Inside Diameter | 2.015 INCHES NOMINAL SINGLE INLET IN |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| 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 |
|---|---|
| T-14435 PRIMARY | Cummins Filtration Inc. (USA) |
| 74858693 | Kalmar AC Inc (USA) |
| ABT14435 | Brighton Cromwell Llc (USA) |
| Reference | Meaning |
|---|---|
| 14435 | D/9 Drawing number reference only Cummins Filtration Inc. |
| ABT14435 | 5/9 Secondary reference Ar Bee Corp |
NSN 2990-01-026-6650 is a Muffler,exhaust, manufactured by Cummins Filtration Inc., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-026-6650 has 3 manufacturer part numbers on file: T-14435 (Cummins Filtration Inc.), 74858693 (Kalmar AC Inc), ABT14435 (Brighton Cromwell Llc).
1 possible match (shared part number, not a government interchangeability claim): 7045-01-324-0867. Verify interchangeability with system specifications before substitution.
Key specifications for T-14435: Operating Position: VERTICAL; Inlet Location: ON SIDE OF BODY 5.500 IN C OF INLET TO END OF BODY IN; Coolant Type: AIR; Design Type: DRY. 17 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.