The Muffler,exhaust, cataloged under National Stock Number 2990-00-522-2520, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Cummins Filtration Inc.. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 — Miscellaneous Engine Accessories, Nonaircraft (FSG 29) |
| Manufacturers | Brighton Cromwell Llc (CAGE 3NNX8); Cummins Filtration Inc. (CAGE 76700); Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling (CAGE 04627); Tvh Parts Co. (CAGE 66654) |
| Parameter | Value |
|---|---|
| NSN | 2990-00-522-2520 |
| Primary Part Number | T-5770 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Cummins Filtration Inc. |
| 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 |
|---|---|
| AB0010114318 | Brighton Cromwell Llc (USA) |
| T-5770 PRIMARY | Cummins Filtration Inc. (USA) |
| 114318 | Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling (USA) |
| 001114318 PRIMARY | Tvh Parts Co. (USA) |
| ABT5770 | Brighton Cromwell Llc (USA) |
| Reference | Meaning |
|---|---|
| ABT5770 | 5/9 Secondary reference Ar Bee Corp |
| 001114318 | 5/9 Secondary reference Lift Parts Mfg Co Inc Div of Echlin Mfg Co the |
| 5770 | D/9 Drawing number reference only Cummins Filtration Inc. |
| AB0010114318 | 5/9 Secondary reference Ar Bee Corp |
| 114318 | 5/9 Secondary reference Hyster-Yale Group, Inc. |
NSN 2990-00-522-2520 is a Muffler,exhaust, manufactured by Cummins Filtration Inc., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-00-522-2520 has 5 manufacturer part numbers on file: AB0010114318 (Brighton Cromwell Llc), T-5770 (Cummins Filtration Inc.), 114318 (Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling), 001114318 (Tvh Parts Co.), ABT5770 (Brighton Cromwell Llc).
6 possible matches (shared part number, not a government interchangeability claim): 4010-00-956-9903, 4540-01-203-8388, 4330-01-260-8354. Verify interchangeability with system specifications before substitution.
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.