The Muffler,exhaust, cataloged under National Stock Number 2990-01-371-8256, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Landoll Company, Llc. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2990-01-371-8256 |
| Primary Part Number | 232-3421-1 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Landoll Company, Llc |
| Status | ACTIVE |
| Design Type | DRY |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| 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 |
|---|---|
| 232-3421-1 | Landoll Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| 9126220100 | 3/9 Design control — primary reference Machinery Distribution Inc |
NSN 2990-01-371-8256 is a Muffler,exhaust, manufactured by Landoll Company, Llc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-371-8256 has 1 manufacturer part number on file: 232-3421-1 (Landoll Company, Llc).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-620-6857. Verify interchangeability with system specifications before substitution.
Key specifications for 232-3421-1: Design Type: DRY; End Item Identification: FORKLIFT TRUCK,MITSUBISHI,MODEL FG 15,1985; Material: STEEL LOCATION NOT OTHERWISE SPECIFIED. 2 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.