The Muffler,exhaust, cataloged under National Stock Number 2990-01-613-2305, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Centek Industries, Inc.. Government technical data includes 4 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. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-613-2305 |
| Primary Part Number | 1000120 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Centek Industries, Inc. |
| Status | ACTIVE |
| Water Outlet Outside Diameter | 8.000 INCHES NOMINAL IN |
| Overall Diameter | 16.210 INCHES NOMINAL IN |
| Water Inlet Outside Diameter | 8.000 INCHES NOMINAL IN |
| Body Shape | ROUND |
| 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 |
|---|---|
| 1000120 PRIMARY | Centek Industries, Inc. (USA) |
NSN 2990-01-613-2305 is a Muffler,exhaust, manufactured by Centek Industries, Inc., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-613-2305 has 1 manufacturer part number on file: 1000120 (Centek Industries, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 4720-01-690-2533, 5340-01-690-2717. Verify interchangeability with system specifications before substitution.
Key specifications for 1000120: Water Outlet Outside Diameter: 8.000 INCHES NOMINAL IN; Overall Diameter: 16.210 INCHES NOMINAL IN; Overall Length: 39.620 INCHES NOMINAL IN; Water Inlet Outside Diameter: 8.000 INCHES NOMINAL IN. 4 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.