The Muffler,exhaust, cataloged under National Stock Number 2990-00-857-2005, 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 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 2990-00-857-2005 |
| Primary Part Number | T-1186 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — No Item Name Available |
| Manufacturer | Cummins Filtration Inc. |
| Status | CANCELLED |
| Operating Position | UNIVERSAL |
| Outlet Projection Length | 0.938 INCHES NOMINAL FIRST OUTLET IN |
| Overall Diameter | 6.500 INCHES NOMINAL IN |
| Surface Treatment | PAINT HEAT RESISTANT |
| Coolant Type | AIR |
| Inlet Projection Length | 2.812 INCHES NOMINAL SINGLE INLET IN |
| Inlet Location | CENTERED ON END OF BODY |
| Outlet Outside Diameter | 1.500 INCHES NOMINAL SECOND OUTLET IN |
| Muffler Design | STRAIGHT THROUGH W/BAFFLE |
| Outlet Connection Type | UNTHREADED SECOND OUTLET |
| Outlet Outside Diameter | 1.500 INCHES NOMINAL FIRST OUTLET IN |
| Baffle Quantity | 1 |
| Body Shape | ROUND |
| Outlet Connection Type | UNTHREADED FIRST OUTLET |
| Inlet Inside Diameter | 2.005 INCHES MINIMUM AND 2.015 INCHES MAXIMUM SINGLE INLET IN |
| Outlet Location | OFFSET IN END SECTION OF BODY,OFFSET IN END SECTION OF BODY 3.876 IN. C TO C OF OUTLETS IN |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Design Type | DRY |
| Inlet Connection Type | UNTHREADED SINGLE INLET |
| Outlet Projection Length | 0.938 INCHES NOMINAL SECOND OUTLET IN |
| Tube Quantity | 3 |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1186 | Cummins Filtration Inc. (USA) |
| 260338 | Hercules Engine Co Inc (USA) |
| 7240200 | Melley Industries Inc (USA) |
| 260338 | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| ABT1186 | Ar Bee Corp (USA) |
| T-1186 PRIMARY | Cummins Filtration Inc. (USA) |
| 260338C | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| 260338C | Hercules Engine Co Inc (USA) |
| ABT1186 | Brighton Cromwell Llc (USA) |
NSN 2990-00-857-2005 is a Muffler,exhaust, manufactured by Cummins Filtration Inc., classified under FSC 2990 (No Item Name Available). Status: cancelled.
NSN 2990-00-857-2005 has 9 cross-referenced part numbers: 1186 (Cummins Filtration Inc.), 260338 (Hercules Engine Co Inc), 7240200 (Melley Industries Inc), 260338 (Brinkley Technology Group Llc Dba Hercules Manufacturing), ABT1186 (Ar Bee Corp) and 4 more.
There are 12 known substitutes for 2990-00-857-2005: 5910-00-264-9496, 5935-00-283-2029, 6750-00-449-9655 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for T-1186: Overall Length: 7.938 INCHES NOMINAL IN; Operating Position: UNIVERSAL; Outlet Projection Length: 0.938 INCHES NOMINAL FIRST OUTLET IN; Overall Diameter: 6.500 INCHES NOMINAL IN. 23 total characteristics are documented in the Federal Logistics Information System.
NSN 2990-00-857-2005 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.