The Muffler,exhaust, cataloged under National Stock Number 2990-01-261-2615, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Walker Mfg Co. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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 | 2990-01-261-2615 |
| Primary Part Number | 21896 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — No Item Name Available |
| Manufacturer | Walker Mfg Co |
| Status | ACTIVE |
| Operating Position | HORIZONTAL |
| Coolant Type | AIR |
| Inlet Connection Type | FLANGE SINGLE INLET |
| Design Type | DRY |
| Inlet Location | SIDE INLET |
| Outlet Inside Diameter | 1.750 INCHES NOMINAL FIRST OUTLET IN |
| Outlet Location | CENTER OUTLET |
| Body Shape | OVAL |
| Inlet Inside Diameter | 1.875 INCHES NOMINAL SINGLE INLET IN |
| Outlet Connection Type | UNTHREADED FIRST OUTLET |
| Muffler Design | STRAIGHT THROUGH |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 2990-01-261-2615 is a Muffler,exhaust, manufactured by Walker Mfg Co, classified under FSC 2990 (No Item Name Available). Status: active.
NSN 2990-01-261-2615 has 2 cross-referenced part numbers: 21896 (Walker Mfg Co), 3228280 (Chrysler Corp Engine and Components Sales Diversified Products Div).
There are 8 known substitutes for 2990-01-261-2615: 5950-00-083-6151, 2810-00-118-5224, 5998-00-148-6610 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 21896: Overall Height: 4.500 INCHES NOMINAL IN; Operating Position: HORIZONTAL; Coolant Type: AIR; Inlet Connection Type: FLANGE SINGLE INLET. 15 total characteristics are documented in the Federal Logistics Information System.