The Mount Assembly,engi, cataloged under National Stock Number 2990-01-073-7664, 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 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 2990-01-073-7664 |
| Primary Part Number | 12274555 |
| Item Name | Mount Assembly,engi |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| General Characteristics Item Description | MOUNT ASSEMBLY,ENGINE INCLUDES MOUNT P/N1920712274557;2 PIN P/N19207 12274556 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 12274555 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 2990010737664 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| XM8434 | 5/9 Secondary reference General Dynamics Land Systems Inc. |
NSN 2990-01-073-7664 is a Mount Assembly,engi, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-073-7664 has 1 manufacturer part number on file: 12274555 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12274555: General Characteristics Item Description: MOUNT ASSEMBLY,ENGINE INCLUDES MOUNT P/N1920712274557;2 PIN P/N19207 12274556; End Item Identification: 2350-01-087-1095. 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.
NSN 2990-01-073-7664 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.