The Muffler,exhaust, cataloged under National Stock Number 2990-00-404-9948, 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 17 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 | 2990-00-404-9948 |
| Primary Part Number | T-5388 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — No Item Name Available |
| Manufacturer | Cummins Filtration Inc. |
| Status | ACTIVE |
| Overall Diameter | 3.250 INCHES NOMINAL IN |
| Design Type | DRY |
| Muffler Design | STRAIGHT THROUGH W/BAFFLE |
| Coolant Type | AIR |
| Baffle Quantity | 1 |
| Outlet Outside Diameter | 1.750 INCHES NOMINAL FIRST OUTLET IN |
| Outlet Location | CENTERED ON END OF BODY |
| Outlet Projection Length | 5.875 INCHES NOMINAL FIRST OUTLET IN |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Outlet Connection Type | UNTHREADED FIRST OUTLET |
| Inlet Inside Diameter | 1.750 INCHES NOMINAL SINGLE INLET IN |
| Inlet Location | CENTERED ON END OF BODY |
| Surface Treatment | ALUMINUM ALLOY |
| Inlet Projection Length | 5.875 INCHES NOMINAL SINGLE INLET IN |
| Inlet Connection Type | UNTHREADED SINGLE INLET |
| Body Shape | ROUND |
| Operating Position | UNIVERSAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 70229531 | Allis-Chalmers Corp (USA) |
| ABT5388 | Ar Bee Corp (USA) |
| 70229531 | Riggers, Inc. Dba Riggers Inc Div Rigger,inc. (USA) |
| 5388 | Cummins Filtration Inc. (USA) |
| T-5388 PRIMARY | Cummins Filtration Inc. (USA) |
| 220531 | Allis-Chalmers Corp (USA) |
| 0229531-9 | Allis-Chalmers Corp (USA) |
| ABT5388 | Brighton Cromwell Llc (USA) |
NSN 2990-00-404-9948 is a Muffler,exhaust, manufactured by Cummins Filtration Inc., classified under FSC 2990 (No Item Name Available). Status: active.
NSN 2990-00-404-9948 has 8 cross-referenced part numbers: 70229531 (Allis-Chalmers Corp), ABT5388 (Ar Bee Corp), 70229531 (Riggers, Inc. Dba Riggers Inc Div Rigger,inc.), 5388 (Cummins Filtration Inc.), T-5388 (Cummins Filtration Inc.) and 3 more.
There are 8 known substitutes for 2990-00-404-9948: 5935-00-028-2168, 4520-00-203-2749, 7510-00-285-1728 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for T-5388: Overall Diameter: 3.250 INCHES NOMINAL IN; Design Type: DRY; Muffler Design: STRAIGHT THROUGH W/BAFFLE; Coolant Type: AIR. 18 total characteristics are documented in the Federal Logistics Information System.