The Muffler,exhaust, cataloged under National Stock Number 2990-00-062-3155, 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 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 2990-00-062-3155 |
| Primary Part Number | 7740N |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — No Item Name Available |
| Manufacturer | Cummins Filtration Inc. |
| Status | CANCELLED |
| Operating Position | HORIZONTAL |
| Surface Treatment | ALUMINUM |
| FSC Application Data | EXHAUST SYSTEM,ENGINE,EXCEPT AIRCRAFT |
| Design Type | DRY |
| Inlet Outside Diameter | 4.145 INCHES NOMINAL ALL INLETS IN |
| Nonconnection Outlet Type and Quantity | 6 SLOTTED |
| Inlet Location | CENTRALLY IN END SECTION OF BODY |
| Muffler Design | STRAIGHT THROUGH |
| Nonconnection Outlet Location | ON CIRC |
| Hand Hole Quantity | 2 |
| Tube Quantity | 2 |
| Outlet Location | CENTRALLY LOCATED IN END SECTION OF BODY |
| Outlet Outside Diameter | 3.500 INCHES NOMINAL FIRST OUTLET IN |
| Outlet Inside Diameter | 3.375 INCHES NOMINAL FIRST OUTLET IN |
| Nonconnection Outlet Size | 1 IN. LG BY 1/8 IN. W IN |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Inlet Projection Length | 2.500 INCHES NOMINAL SINGLE INLET IN |
| Outlet Projection Length | 2.500 INCHES NOMINAL FIRST OUTLET IN |
| Inlet Integral Manifold Exhaust Pipe Length | 25.000 INCHES NOMINAL ALL INLETS IN |
| Coolant Type | AIR |
| Inlet Inside Diameter | 4.025 INCHES NOMINAL ALL INLETS IN |
| Overall Diameter | 8.500 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| C52-1098 | Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA) |
| ABT7740 | Ar Bee Corp (USA) |
| 7740 | Cummins Filtration Inc. (USA) |
| 0GB-T7740 | Ar Bee Corp (USA) |
| 7740N PRIMARY | Cummins Filtration Inc. (USA) |
| T-7740 | Cummins Filtration Inc. (USA) |
| 0GB-T7740 | Brighton Cromwell Llc (USA) |
| ABT7740 | Brighton Cromwell Llc (USA) |
NSN 2990-00-062-3155 is a Muffler,exhaust, manufactured by Cummins Filtration Inc., classified under FSC 2990 (No Item Name Available). Status: cancelled.
NSN 2990-00-062-3155 has 8 cross-referenced part numbers: C52-1098 (Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc), ABT7740 (Ar Bee Corp), 7740 (Cummins Filtration Inc.), 0GB-T7740 (Ar Bee Corp), 7740N (Cummins Filtration Inc.) and 3 more.
There are 10 known substitutes for 2990-00-062-3155: 5620-00-153-4685, 6505-01-039-7932, 3439-01-045-1817 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 7740N: Operating Position: HORIZONTAL; Surface Treatment: ALUMINUM; FSC Application Data: EXHAUST SYSTEM,ENGINE,EXCEPT AIRCRAFT; Design Type: DRY. 23 total characteristics are documented in the Federal Logistics Information System.
NSN 2990-00-062-3155 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.