The Muffler,exhaust, cataloged under National Stock Number 2990-01-372-1461, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Komatsu America Corp.. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2990-01-372-1461 |
| Primary Part Number | 1243327H1 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Komatsu America Corp. |
| Status | ACTIVE |
| Operating Position | HORIZONTAL |
| Inlet Location | LOCATED ALONG LENGTH OF BODY NEAR END |
| Design Type | DRY |
| Muffler Design | STRAIGHT THROUGH |
| Inlet Connection Type | UNTHREADED SINGLE INLET |
| Body Shape | RECTANGULAR |
| Outlet Connection Type | UNTHREADED FIRST OUTLET |
| Outlet Location | LOCATED OFF CENTER 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 |
|---|---|
| 1243327H1 | Komatsu America Corp. (USA) |
| Reference | Meaning |
|---|---|
| 1243327H1 | 3/9 Design control — primary reference Komatsu American Intl Co |
NSN 2990-01-372-1461 is a Muffler,exhaust, manufactured by Komatsu America Corp., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-372-1461 has 1 manufacturer part number on file: 1243327H1 (Komatsu America Corp.).
Key specifications for 1243327H1: Operating Position: HORIZONTAL; Inlet Location: LOCATED ALONG LENGTH OF BODY NEAR END; Design Type: DRY; Muffler Design: STRAIGHT THROUGH. 8 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.