The Muffler,exhaust, cataloged under National Stock Number 2990-00-555-6722, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is The Boeing Company Div Legacy Am&m. Government technical data includes 21 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-00-555-6722 |
| Primary Part Number | E5095 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Operating Position | VERTICAL |
| FSC Application Data | 1. ENGINE,GASOLINE,NONAIRCRAFT,2. CONTINENTAL MOTORS CORP,MODEL PE150-2,3. PORTABLE HYDRAULIC TEST STAND,NORTH AMERICAN MODEL NO. E2872 |
| Inlet Outside Diameter | 3.000 INCHES NOMINAL SINGLE INLET IN |
| Inlet Location | INSIDE 5 IN. FROM EXHAUST END FACE TO C IN |
| Design Type | DRY |
| Overall Diameter | 7.000 INCHES NOMINAL IN |
| Outlet Inside Diameter | 2.900 INCHES NOMINAL FIRST OUTLET IN |
| Inlet Projection Length | 8.000 INCHES NOMINAL SINGLE INLET IN |
| Baffle Quantity | 2 |
| Material Document and Classification | FED STD 66, COMP 1017 FED STD 1ST MATERIAL RESPONSE AND SAE 1015 ASSN STD 2ND MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED |
| Muffler Design | DIRECTIONAL VANE |
| Outlet Outside Diameter | 3.000 INCHES NOMINAL FIRST OUTLET IN |
| Tube Quantity | 6 |
| Inlet Connection Type | UNTHREADED SINGLE INLET |
| Body Shape | ROUND |
| Surface Treatment | ALUMINUM |
| Inlet Inside Diameter | 2.900 INCHES NOMINAL SINGLE INLET IN |
| Material | STEEL COMP 1017 AND STEEL COMP 1015 LOCATION NOT OTHERWISE SPECIFIED |
| Outlet Projection Length | 1.125 INCHES NOMINAL FIRST OUTLET IN |
| Outlet Connection Type | UNTHREADED FIRST OUTLET |
| Outlet Location | CENTRALLY IN END SECTION OF BODY |
| 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 |
|---|---|
| E5095 | The Boeing Company Div Legacy Am&m (USA) |
| Reference | Meaning |
|---|---|
| 1620-176 | 3/9 Design control — primary reference U.S. Government activity |
NSN 2990-00-555-6722 is a Muffler,exhaust, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-00-555-6722 has 1 manufacturer part number on file: E5095 (The Boeing Company Div Legacy Am&m).
Key specifications for E5095: Operating Position: VERTICAL; FSC Application Data: 1. ENGINE,GASOLINE,NONAIRCRAFT,2. CONTINENTAL MOTORS CORP,MODEL PE150-2,3. PORTABLE HYDRAULIC TEST STAND,NORTH AMERICAN MODEL NO. E2872; Inlet Outside Diameter: 3.000 INCHES NOMINAL SINGLE INLET IN; Inlet Location: INSIDE 5 IN. FROM EXHAUST END FACE TO C IN. 21 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.