The Muffler,exhaust, cataloged under National Stock Number 2990-00-391-8171, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Crane Carrier Company, Llc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-00-391-8171 |
| Primary Part Number | 210-33 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — No Item Name Available |
| Manufacturer | Crane Carrier Company, Llc |
| Status | ACTIVE |
| Muffler Design | STRAIGHT THROUGH W/BAFFLE |
| Inlet Connection Type | UNTHREADED SINGLE INLET |
| Overall Diameter | 8.500 INCHES NOMINAL IN |
| Coolant Type | AIR |
| Design Type | DRY |
| Baffle Quantity | 3 |
| Body Shape | ROUND |
| Tube Quantity | 1 |
| Inlet Inside Diameter | 4.000 INCHES NOMINAL SINGLE INLET IN |
| Outlet Connection Type | UNTHREADED FIRST OUTLET |
| Inlet Location | CENTRALLY LOCATED IN END SECTION OF BODY |
| Inlet Projection Length | 3.000 INCHES NOMINAL SINGLE INLET IN |
| Outlet Outside Diameter | 4.000 INCHES NOMINAL FIRST OUTLET IN |
| Outlet Projection Length | 3.000 INCHES NOMINAL FIRST OUTLET IN |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Outlet Location | CENTRALLY LOCATED ON END SECTION OPPOSITE INLET |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 2990-00-391-8171 is a Muffler,exhaust, manufactured by Crane Carrier Company, Llc, classified under FSC 2990 (No Item Name Available). Status: active.
NSN 2990-00-391-8171 has 3 cross-referenced part numbers: A8513 (Crane Carrier Company, Llc), HD-407 (Riker Products), 210-33 (Crane Carrier Company, Llc).
There are 12 known substitutes for 2990-00-391-8171: 2990-00-293-6839, 4320-00-374-3265, 5935-00-490-9842 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 210-33: Muffler Design: STRAIGHT THROUGH W/BAFFLE; Inlet Connection Type: UNTHREADED SINGLE INLET; Overall Diameter: 8.500 INCHES NOMINAL IN; Coolant Type: AIR. 17 total characteristics are documented in the Federal Logistics Information System.