The Guard,muffler-Exhaust Pipe,nonai, cataloged under National Stock Number 2990-01-470-6236, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-470-6236 |
| Primary Part Number | 12422045 |
| Item Name | Guard,muffler-Exhaust Pipe,nonai |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Features Provided | MOUNTING SLOTS |
| Material | STEEL COMP 1009 |
| 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 |
|---|---|
| 12422045 | Amz Alabama Inc. (USA) |
| 12422045 | Oshkosh Defense Llc (USA) |
| 12422045 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 12422045 | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA) |
| Reference | Meaning |
|---|---|
| 12422045 | 5/9 Secondary reference Oshkosh Corp |
NSN 2990-01-470-6236 is a Guard,muffler-Exhaust Pipe,nonai, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-470-6236 has 4 manufacturer part numbers on file: 12422045 (Amz Alabama Inc.), 12422045 (Oshkosh Defense Llc), 12422045 (U S Army Tank Automotive Command Amsta-Im-Mm), 12422045 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc).
Key specifications for 12422045: Overall Length: 244.5 MILLIMETERS NOMINAL MM; Features Provided: MOUNTING SLOTS; Special Features: WIDTH IS 152.4 MIL. HAVING A 30 DEG BEND AND EXTENDING AN ADDITIONAL 73 MIL.; PAINTED IAW 19207 DWG 12420325 METHOD 6; STEEL IS HOT ROLLED 0.0598 INCH THK (16 GA); NHA NSN 2320-01-447-6345 CHASSIS, TRUCK IN; Part Name Assigned by Controlling Agency: SHIELD, EXHAUST. 2 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.