The Muffler,exhaust, cataloged under National Stock Number 2990-00-927-7183, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is West Salem Machinery Company Dba West Salem Machinery Div Gerlinger Carrier Company (gcc). The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | West Salem Machinery Company Dba West Salem Machinery Div Gerlinger Carrier Company (gcc) (CAGE 53930) |
| Parameter | Value |
|---|---|
| NSN | 2990-00-927-7183 |
| Primary Part Number | 516625 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | West Salem Machinery Company Dba West Salem Machinery Div Gerlinger Carrier Company (gcc) |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 516625 PRIMARY | West Salem Machinery Company Dba West Salem Machinery Div Gerlinger Carrier Company (gcc) (USA) |
| Reference | Meaning |
|---|---|
| 516625 | 5/9 Secondary reference Towmotor Corp Dallas Plant Sub of Caterpillar Tractor Co |
| 516625 | 5/9 Secondary reference Caterpillar Inc Div Caterpillar Defense |
NSN 2990-00-927-7183 is a Muffler,exhaust, manufactured by West Salem Machinery Company Dba West Salem Machinery Div Gerlinger Carrier Company (gcc), classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-00-927-7183 has 1 manufacturer part number on file: 516625 (West Salem Machinery Company Dba West Salem Machinery Div Gerlinger Carrier Company (gcc)).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-142-6755. 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.