The Muffler,exhaust, cataloged under National Stock Number 2990-00-569-4663, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Allianz Sweeper Company. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-00-569-4663 |
| Primary Part Number | 33227 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — No Item Name Available |
| Manufacturer | Allianz Sweeper Company |
| Status | ACTIVE |
| Inlet Location | CENTRALLY LOCATED IN END SECTION OF BODY |
| Coolant Type | AIR |
| Center to Center Distance Between Mounting Holes | 2.875 IN. C TO C DIM. OF MTG HOLES SINGLE INLET IN |
| Inlet Projection Length | 3.750 INCHES NOMINAL SINGLE INLET IN |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Outlet Connection Type | UNTHREADED FIRST OUTLET |
| Muffler Design | STRAIGHT THROUGH |
| Inlet Connection Type | FLANGE SINGLE INLET |
| Inlet Flange Mounting Provision and Quantity | 2 HOLES SINGLE INLET |
| Operating Position | HORIZONTAL |
| Design Type | DRY |
| Overall Diameter | 3.500 INCHES NOMINAL IN |
| Body Shape | ROUND |
| Outlet Location | CENTRALLY LOCATED IN END SECTION OF BODY |
| Inlet Flange Shape | OVAL SINGLE INLET |
| Inlet Flange Mounting Hole Diameter | 0.500 INCHES NOMINAL SINGLE INLET IN |
| Outlet Projection Length | 4.000 INCHES NOMINAL FIRST OUTLET IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 2990-00-569-4663 is a Muffler,exhaust, manufactured by Allianz Sweeper Company, classified under FSC 2990 (No Item Name Available). Status: active.
NSN 2990-00-569-4663 has 2 cross-referenced part numbers: 33227 (Allianz Sweeper Company), SCH33227 (Allianz Sweeper Company).
There are 9 known substitutes for 2990-00-569-4663: 3110-00-155-7455, 3040-00-463-6970, 5305-00-638-8513 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 33227: Inlet Location: CENTRALLY LOCATED IN END SECTION OF BODY; Coolant Type: AIR; Center to Center Distance Between Mounting Holes: 2.875 IN. C TO C DIM. OF MTG HOLES SINGLE INLET IN; Special Features: INLET AND OUTLET ARE ELBOWS. 19 total characteristics are documented in the Federal Logistics Information System.