The Guard,muffler Exhaust Pipe, cataloged under National Stock Number 2990-00-192-9402, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-00-192-9402 |
| Item Name | Guard,muffler Exhaust Pipe |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL MESH PAINTED ALUMIN,0.500 IN.SQUARE PERFORATIONS,0.250 IN.APART,8.500 IN.HEIGHT,12.000 IN.PREFORMED WIDTH,24.250 IN.LG WELDED TO 1.000 IN.STEELANDLE EACH SIDE,3.000 IN. DIA HOLE ON TOP CENTER,1.000 IN.FROM THE END IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| C52-862 | 5/9 Secondary reference Shay Industries |
| C52-862 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2990-00-192-9402 is a Guard,muffler Exhaust Pipe, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
Key specifications for 2990-00-192-9402: General Characteristics Item Description: STEEL MESH PAINTED ALUMIN,0.500 IN.SQUARE PERFORATIONS,0.250 IN.APART,8.500 IN.HEIGHT,12.000 IN.PREFORMED WIDTH,24.250 IN.LG WELDED TO 1.000 IN.STEELANDLE EACH SIDE,3.000 IN. DIA HOLE ON TOP CENTER,1.000 IN.FROM THE END IN. 1 specification is 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.