The Muffler,exhaust, cataloged under National Stock Number 2990-01-699-3650, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Rix Industries. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-699-3650 |
| Primary Part Number | D3264 REV AC PIECE NO 20.0 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Rix Industries |
| Status | ACTIVE |
| Inlet Location | END |
| Overall Diameter | 2.59 INCHES NOMINAL IN |
| Inlet Connection Type | THREADED SINGLE INLET |
| Body Shape | ROUND |
| Inlet Thread Size | 0.375 INCHES SINGLE INLET IN |
| 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 |
|---|---|
| D3264 REV AC PIECE NO 20.0 | Rix Industries (USA) |
| Reference | Meaning |
|---|---|
| X00-0312000 | 3/2 Design control — primary reference U.S. Government activity |
| 0312000 | 5/2 Secondary reference U.S. Government activity |
NSN 2990-01-699-3650 is a Muffler,exhaust, manufactured by Rix Industries, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-699-3650 has 1 manufacturer part number on file: D3264 REV AC PIECE NO 20.0 (Rix Industries).
Key specifications for D3264 REV AC PIECE NO 20.0: Inlet Location: END; Overall Diameter: 2.59 INCHES NOMINAL IN; Overall Length: 5.12 INCHES NOMINAL IN; Inlet Connection Type: THREADED SINGLE INLET. 5 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.