The Muffler,exhaust, cataloged under National Stock Number 2990-01-602-5056, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Yanmar America Corporation. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-602-5056 |
| Primary Part Number | KM8 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Yanmar America Corporation |
| Status | ACTIVE |
| 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 |
|---|---|
| KM8 PRIMARY | Yanmar America Corporation (USA) |
| Reference | Meaning |
|---|---|
| KM8 | 3/9 Design control — primary reference Yanmar Diesel America Corp |
NSN 2990-01-602-5056 is a Muffler,exhaust, manufactured by Yanmar America Corporation, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-602-5056 has 1 manufacturer part number on file: KM8 (Yanmar America Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-661-9530. Verify interchangeability with system specifications before substitution.
Key specifications for KM8: End Item Identification: HIPPO2034E MI. 0 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.