The Cap Assembly,protective,muffler-, cataloged under National Stock Number 2990-01-495-8731, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-495-8731 |
| Item Name | Cap Assembly,protective,muffler- |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| 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 |
| Reference | Meaning |
|---|---|
| MCSFC-99-310-001-50 | D/9 Drawing number reference only U.S. Government activity |
| 35514 | 5/9 Secondary reference Wareheim Air Brakes |
| 35514 | 3/9 Design control — primary reference Wareheim Air Brakes Inc |
NSN 2990-01-495-8731 is a Cap Assembly,protective,muffler-, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
Key specifications for 2990-01-495-8731: Special Features: TWO ONE-HALF INCH, ADJUSTABLE, GALVINIZED; End Item Identification: RDD IS ROLL ON/ROLL OFF DISCHARGE FACILITY, 1945-01-473-2282 AND FC1 IS THE FLOATING CAUSEWAY, 1945-01-473-2162. 0 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.