The Muffler,exhaust, cataloged under National Stock Number 2990-01-470-5979, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Cummins Filtration Inc.. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-470-5979 |
| Primary Part Number | 27357A |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Cummins Filtration Inc. |
| Status | ACTIVE |
| Body Shape | RECTANGULAR |
| Surface Treatment | ALUMINUM |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| 27357A PRIMARY | Cummins Filtration Inc. (USA) |
| 12421915 | Amz Alabama Inc. (USA) |
| 12421915 | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA) |
| MAM120917 PRIMARY | Donaldson Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 2990PL2090887 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 12421915 | 7/2 Vendor item drawing reference U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 2990-01-470-5979 is a Muffler,exhaust, manufactured by Cummins Filtration Inc., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-470-5979 has 4 manufacturer part numbers on file: 27357A (Cummins Filtration Inc.), 12421915 (Amz Alabama Inc.), 12421915 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc), MAM120917 (Donaldson Company, Inc.).
Key specifications for 27357A: Overall Length: 28.740 INCHES NOMINAL IN; Body Shape: RECTANGULAR; Special Features: NHA CHASSIS,TRUCK NSN2320-01-447-6345; APPLICABLE SPECIFICATIONS/STANDARDS: NSI Y14.5M-1982; Surface Treatment: ALUMINUM. 3 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.