The Muffler,exhaust, cataloged under National Stock Number 2990-01-121-6174, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Fmc Corp. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 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 | 2990-01-121-6174 |
| Primary Part Number | 47A0978 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — No Item Name Available |
| Manufacturer | Fmc Corp |
| Status | ACTIVE |
| Inlet Inside Diameter | 3.000 INCHES NOMINAL SINGLE INLET IN |
| Inlet Projection Length | 2.500 INCHES NOMINAL SINGLE INLET IN |
| Surface Treatment | ALUMINUM ALLOY |
| Design Type | DRY |
| Body Shape | ROUND |
| Operating Position | UNIVERSAL |
| Coolant Type | AIR |
| Inlet Connection Type | UNTHREADED SINGLE INLET |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Inlet Location | LOWER RIGHT SIDE OF BODY |
| Overall Diameter | 8.500 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 47A0978 | Fmc Corp (USA) |
| 32305 | Volvo Motor Graders Ltd (CAN) |
| T-16360 | Vermeer Manufacturing Company Dba Vermeer Corporation (USA) |
| 2106-001 | Vermeer Manufacturing Company Dba Vermeer Corporation (USA) |
| M0M09-0301 | Donaldson Company, Inc. (USA) |
| M090301 | Donaldson Company, Inc. (USA) |
| M0M09-0301-HI | Ansell Canada Inc (CAN) |
NSN 2990-01-121-6174 is a Muffler,exhaust, manufactured by Fmc Corp, classified under FSC 2990 (No Item Name Available). Status: active.
NSN 2990-01-121-6174 has 7 cross-referenced part numbers: 47A0978 (Fmc Corp), 32305 (Volvo Motor Graders Ltd), T-16360 (Vermeer Manufacturing Company Dba Vermeer Corporation), 2106-001 (Vermeer Manufacturing Company Dba Vermeer Corporation), M0M09-0301 (Donaldson Company, Inc.) and 2 more.
There are 8 known substitutes for 2990-01-121-6174: 5970-00-708-8680, 5930-01-032-1880, 5355-01-069-9317 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 47A0978: Inlet Inside Diameter: 3.000 INCHES NOMINAL SINGLE INLET IN; Inlet Projection Length: 2.500 INCHES NOMINAL SINGLE INLET IN; Surface Treatment: ALUMINUM ALLOY; Design Type: DRY. 13 total characteristics are documented in the Federal Logistics Information System.