The Muffler,exhaust, cataloged under National Stock Number 2990-00-322-8945, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Cummins Filtration Inc.. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-00-322-8945 |
| Primary Part Number | T9709 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — No Item Name Available |
| Manufacturer | Cummins Filtration Inc. |
| Status | ACTIVE |
| Baffle Quantity | 2 |
| Muffler Design | BAFFLE |
| Body Shape | OVAL |
| Operating Position | VERTICAL |
| Design Type | DRY |
| Inlet Connection Type | UNTHREADED SINGLE INLET |
| Coolant Type | AIR |
| Tube Quantity | 3 |
| Inlet Outside Diameter | 3.094 INCHES NOMINAL SINGLE INLET IN |
| Outlet Location | IN END SECTION OF BODY 0.500 IN. C OF OUTLET TO C OF BODY IN |
| Outlet Connection Type | UNTHREADED FIRST OUTLET |
| Inlet Location | OFFSET IN END SECTION OF BODY 2.250 IN. C OF INLET TO C OF BODY IN |
| Inlet Inside Diameter | 2.450 INCHES MINIMUM AND 2.470 INCHES MAXIMUM SINGLE INLET IN |
| Outlet Outside Diameter | 1.850 INCHES MINIMUM AND 1.870 INCHES MAXIMUM FIRST OUTLET IN |
| Outlet Projection Length | 8.375 INCHES NOMINAL FIRST OUTLET IN |
| Surface Treatment | PAINT |
| Inlet Projection Length | 6.125 INCHES NOMINAL SINGLE INLET IN |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| ABT9709 | Ar Bee Corp (USA) |
| T9709 PRIMARY | Cummins Filtration Inc. (USA) |
| AT21690 PRIMARY | Deere & Company Dba Deere John Co (USA) |
| AT21690 | Deere & Company Dba John Deere Dubuque Works Div John Deere Dubuque Works (USA) |
| AT21690 | Deere & Co (USA) |
| ABT9709 | Brighton Cromwell Llc (USA) |
| 9709 | Cummins Filtration Inc. (USA) |
NSN 2990-00-322-8945 is a Muffler,exhaust, manufactured by Cummins Filtration Inc., classified under FSC 2990 (No Item Name Available). Status: active.
NSN 2990-00-322-8945 has 7 cross-referenced part numbers: ABT9709 (Ar Bee Corp), T9709 (Cummins Filtration Inc.), AT21690 (Deere & Company Dba Deere John Co), AT21690 (Deere & Company Dba John Deere Dubuque Works Div John Deere Dubuque Works), AT21690 (Deere & Co) and 2 more.
There are 8 known substitutes for 2990-00-322-8945: 6240-00-156-1566, 3460-00-181-7056, 6220-00-756-5764 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for T9709: Baffle Quantity: 2; Muffler Design: BAFFLE; Body Shape: OVAL; Operating Position: VERTICAL. 21 total characteristics are documented in the Federal Logistics Information System.