The Muffler,exhaust, cataloged under National Stock Number 2990-00-374-8157, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Dana Off Highway Products, Llc. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-00-374-8157 |
| Primary Part Number | PGF11272 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Dana Off Highway Products, Llc |
| Status | ACTIVE |
| Operating Position | HORIZONTAL |
| Inlet Outside Diameter | 3.116 INCHES NOMINAL SINGLE INLET IN |
| Inlet Location | CENTRALLY LOCATED IN END SECTION OF BODY |
| Coolant Type | AIR |
| Design Type | DRY |
| Overall Diameter | 7.000 INCHES NOMINAL IN |
| Outlet Inside Diameter | 2.015 INCHES NOMINAL FIRST OUTLET IN |
| Inlet Projection Length | 3.250 INCHES NOMINAL SINGLE INLET IN |
| Baffle Quantity | 1 |
| Muffler Design | BAFFLE |
| Outlet Outside Diameter | 2.109 INCHES NOMINAL FIRST OUTLET IN |
| Inlet Connection Type | UNTHREADED SINGLE INLET |
| Body Shape | ROUND |
| Inlet Inside Diameter | 3.022 INCHES NOMINAL SINGLE INLET IN |
| Outlet Projection Length | 2.000 INCHES NOMINAL FIRST OUTLET IN |
| Outlet Connection Type | UNTHREADED FIRST OUTLET |
| Outlet Location | CENTRALLY LOCATED IN END SECTION OF BODY OPPOSITE INLET |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 2990-00-374-8157 is a Muffler,exhaust, manufactured by Dana Off Highway Products, Llc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-00-374-8157 has 2 manufacturer part numbers on file: PGF11272 (Dana Off Highway Products, Llc), 87-2029A (Maremont Corp).
Key specifications for PGF11272: Operating Position: HORIZONTAL; Inlet Outside Diameter: 3.116 INCHES NOMINAL SINGLE INLET IN; Inlet Location: CENTRALLY LOCATED IN END SECTION OF BODY; Coolant Type: AIR. 17 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.