The Muffler,exhaust, cataloged under National Stock Number 2990-01-435-5888, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Harlan Global Manufacturing Llc. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-435-5888 |
| Primary Part Number | 02039-0118 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Harlan Global Manufacturing Llc |
| Status | ACTIVE |
| Operating Position | HORIZONTAL |
| Coolant Type | AIR |
| Outlet Flange Mounting Stud Length | 2.500 INCHES NOMINAL FIRST OUTLET IN |
| Design Type | DRY |
| Overall Diameter | 6.500 INCHES NOMINAL IN |
| Inlet Projection Length | 2.500 INCHES NOMINAL SINGLE INLET IN |
| Baffle Quantity | 2 |
| Muffler Design | MULTIPASS W/INTEGRAL SPARK ARRESTOR |
| Outlet Flange Shape | ROUND FIRST OUTLET |
| Inlet Connection Type | UNTHREADED SINGLE INLET |
| Body Shape | ROUND |
| Material | STEEL CORROSION RESISTING LOCATION NOT OTHERWISE SPECIFIED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 02039-0118 PRIMARY | Harlan Global Manufacturing Llc (USA) |
NSN 2990-01-435-5888 is a Muffler,exhaust, manufactured by Harlan Global Manufacturing Llc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-435-5888 has 1 manufacturer part number on file: 02039-0118 (Harlan Global Manufacturing Llc).
Key specifications for 02039-0118: Operating Position: HORIZONTAL; Coolant Type: AIR; Outlet Flange Mounting Stud Length: 2.500 INCHES NOMINAL FIRST OUTLET IN; Design Type: DRY. 12 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.