The Muffler,exhaust, cataloged under National Stock Number 2990-00-064-3608, 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 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 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 | 2990-00-064-3608 |
| Primary Part Number | T-7737 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — No Item Name Available |
| Manufacturer | Cummins Filtration Inc. |
| Status | ACTIVE |
| Coolant Type | AIR |
| Design Type | DRY |
| Outlet Outside Diameter | 3.000 INCHES NOMINAL FIRST OUTLET IN |
| Inlet Inside Diameter | 4.025 INCHES NOMINAL ALL INLETS IN |
| Nonconnection Outlet Location | ON CIRC |
| Muffler Design | STRAIGHT THROUGH |
| Nonconnection Outlet Size | 1 IN. LG BY BY 1/8 IN. W IN |
| Overall Diameter | 7.125 INCHES NOMINAL IN |
| FSC Application Data | MUFFLERS,EXHAUST,ENGINE,EXCEPT AIRCRAFT AND GUIDED MISSILE PRIME MOVING |
| Operating Position | HORIZONTAL |
| Outlet Location | CENTRALLY LOCATED IN END SECTION OF BODY |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Inlet Location | CENTRALLY LOCATED IN END SECTION OF BODY |
| Surface Treatment | ALUMINUM |
| Nonconnection Outlet Type and Quantity | 6 PERFORATED |
| Outlet Projection Length | 2.000 INCHES NOMINAL FIRST OUTLET IN |
| Inlet Integral Manifold Exhaust Pipe Length | 20.000 INCHES NOMINAL ALL INLETS IN |
| Inlet Outside Diameter | 4.145 INCHES NOMINAL ALL INLETS IN |
| Tube Quantity | 2 |
| Inlet Projection Length | 2.000 INCHES NOMINAL ALL INLETS IN |
| Outlet Inside Diameter | 2.880 INCHES NOMINAL FIRST OUTLET IN |
| Hand Hole Quantity | 2 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| T7737 | Wohlert Corp (USA) |
| 0GB-T7737 | Brighton Cromwell Llc (USA) |
| 0GB-T7737 | Ar Bee Corp (USA) |
| T-7737 PRIMARY | Cummins Filtration Inc. (USA) |
| 7737 | Cummins Filtration Inc. (USA) |
| C52-1137 | Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA) |
| ABT7737 | Brighton Cromwell Llc (USA) |
| ABT7737 | Ar Bee Corp (USA) |
NSN 2990-00-064-3608 is a Muffler,exhaust, manufactured by Cummins Filtration Inc., classified under FSC 2990 (No Item Name Available). Status: active.
NSN 2990-00-064-3608 has 8 cross-referenced part numbers: T7737 (Wohlert Corp), 0GB-T7737 (Brighton Cromwell Llc), 0GB-T7737 (Ar Bee Corp), T-7737 (Cummins Filtration Inc.), 7737 (Cummins Filtration Inc.) and 3 more.
There are 8 known substitutes for 2990-00-064-3608: 5960-00-099-9466, 3110-00-227-3657, 6930-00-474-6146 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for T-7737: Coolant Type: AIR; Design Type: DRY; Outlet Outside Diameter: 3.000 INCHES NOMINAL FIRST OUTLET IN; Inlet Inside Diameter: 4.025 INCHES NOMINAL ALL INLETS IN. 23 total characteristics are documented in the Federal Logistics Information System.