The Muffler,exhaust, cataloged under National Stock Number 2990-01-560-2904, 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 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 2990-01-560-2904 |
| Primary Part Number | 114970-13561 |
| 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 |
|---|---|
| 114970-13561 PRIMARY | Yanmar America Corporation (USA) |
| YOOR5160/EXHGRP007 FIG4 ITEM 4 | Yanmar America Corporation (USA) |
| 114970-13561 | E. P. Barrus Limited Div Special Products (GBR) |
| 04418-013 | Ministry of Defence, Code Reserved for the Use of Ukncb/codification (GBR) |
| 044AV-005 | Ministry of Defence, Code Reserved for the Use of Ukncb/codification (GBR) |
| Reference | Meaning |
|---|---|
| 114970-13561 | 3/9 Design control — primary reference Yanmar Diesel America Corp |
| YOOR5160/EXHGRP007 FIG4 ITEM 4 | 5/9 Secondary reference Yanmar Diesel America Corp |
NSN 2990-01-560-2904 is a Muffler,exhaust, manufactured by Yanmar America Corporation, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-560-2904 has 5 manufacturer part numbers on file: 114970-13561 (Yanmar America Corporation), YOOR5160/EXHGRP007 FIG4 ITEM 4 (Yanmar America Corporation), 114970-13561 (E. P. Barrus Limited Div Special Products), 04418-013 (Ministry of Defence, Code Reserved for the Use of Ukncb/codification), 044AV-005 (Ministry of Defence, Code Reserved for the Use of Ukncb/codification).
Key specifications for 114970-13561: Part Name Assigned by Controlling Agency: MUFFLER,EXHAUST; End Item Identification: EXHAUST GROUP. 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.