The Muffler,exhaust, cataloged under National Stock Number 2990-00-772-2296, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 18 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 | 2990-00-772-2296 |
| Primary Part Number | 7722296 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Inlet Flange Shape | ROUND SINGLE INLET |
| Operating Position | HORIZONTAL |
| FSC Application Data | ENGINE,NONAIRCRAFT |
| Inlet Location | LOCATED ALONG CENTERLINE 15-5/16 IN. FROM FRONT FACE TO CENTER OF INLET ON TOP OF BODY IN |
| Coolant Type | AIR |
| Design Type | DRY |
| Outlet Inside Diameter | 4.500 INCHES NOMINAL FIRST OUTLET IN |
| Inlet Projection Length | 5.500 INCHES NOMINAL SINGLE INLET IN |
| Material Document and Classification | QQ-S-766, CLASS 7 FED SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED |
| Muffler Design | DIRECTIONAL VANE |
| Outlet Outside Diameter | 4.813 INCHES NOMINAL FIRST OUTLET IN |
| Tube Quantity | 2 |
| Inlet Connection Type | FLANGE SINGLE INLET |
| Body Shape | OVAL |
| Material | STEEL COMP 430 LOCATION NOT OTHERWISE SPECIFIED |
| Outlet Projection Length | 15.000 INCHES NOMINAL FIRST OUTLET IN |
| Outlet Connection Type | THREADED FIRST OUTLET |
| Outlet Location | CENTRALLY LOCATED 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 |
|---|---|
| 7722296 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 2990-00-772-2296 is a Muffler,exhaust, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-00-772-2296 has 1 manufacturer part number on file: 7722296 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 7722296: Inlet Flange Shape: ROUND SINGLE INLET; Operating Position: HORIZONTAL; Overall Height: 7.000 INCHES NOMINAL IN; FSC Application Data: ENGINE,NONAIRCRAFT. 18 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.