The Muffler,exhaust, cataloged under National Stock Number 2990-01-610-2204, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Tx Technology Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | Tx Technology Llc (CAGE 56183) |
| Parameter | Value |
|---|---|
| NSN | 2990-01-610-2204 |
| Primary Part Number | 5310A45 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Tx Technology Llc |
| 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 |
|---|---|
| 5310A45 PRIMARY | Tx Technology Llc (USA) |
| Reference | Meaning |
|---|---|
| 5370M69-01 | D/9 Drawing number reference only Tx Technology Llc |
NSN 2990-01-610-2204 is a Muffler,exhaust, manufactured by Tx Technology Llc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-610-2204 has 1 manufacturer part number on file: 5310A45 (Tx Technology Llc).
2 possible matches (shared part number, not a government interchangeability claim): 5915-01-610-2514, 5945-01-610-2539. 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.