The Guard,muffler-Exhaust Pipe,nonai, cataloged under National Stock Number 2990-01-674-4382, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Firwin Corp. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 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 | Guard,muffler-Exhaust Pipe,nonai |
| FSC / FSG | 2990 — Miscellaneous Engine Accessories, Nonaircraft (FSG 29) |
| Manufacturers | Firwin Corp (CAGE 0X832); General Dynamics Land Systems Inc. (CAGE 01417) |
| Parameter | Value |
|---|---|
| NSN | 2990-01-674-4382 |
| Primary Part Number | 1027710 |
| Item Name | Guard,muffler-Exhaust Pipe,nonai |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Firwin Corp |
| 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 |
NSN 2990-01-674-4382 is a Guard,muffler-Exhaust Pipe,nonai, manufactured by Firwin Corp, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-674-4382 has 2 manufacturer part numbers on file: 1027710 (Firwin Corp), LS1082647 (General Dynamics Land Systems Inc.).
1 possible match (shared part number, not a government interchangeability claim): 2540-01-706-7342. 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.