The Mount,engine, cataloged under National Stock Number 2990-00-065-0033, 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 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 2990-00-065-0033 |
| Primary Part Number | 10866270 |
| Item Name | Mount,engine |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY,4.721 IN. OD FLANGE,3.555 IN. MIN,3.557 IN. MAX DIA BASE,4.0625 IN. DIA TOP FACE,1.797 IN.MIN,1.828 IN. MAX DIA BORE,0.125 IN. BY 45.0 DEG BOTH ENDS OF BORE,BORE AND UNDERSIDE OF FLANGE 63.0 MICROINCH,BALANCE 125.0 MICROINCH FINISH IN |
| 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 |
|---|---|
| 10866270 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 10866270 | Amz Alabama Inc. (USA) |
| Reference | Meaning |
|---|---|
| 2990000650033 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 10866270 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2990-00-065-0033 is a Mount,engine, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-00-065-0033 has 2 manufacturer part numbers on file: 10866270 (U S Army Tank Automotive Command Amsta-Im-Mm), 10866270 (Amz Alabama Inc.).
Key specifications for 10866270: General Characteristics Item Description: ALUMINUM ALLOY,4.721 IN. OD FLANGE,3.555 IN. MIN,3.557 IN. MAX DIA BASE,4.0625 IN. DIA TOP FACE,1.797 IN.MIN,1.828 IN. MAX DIA BORE,0.125 IN. BY 45.0 DEG BOTH ENDS OF BORE,BORE AND UNDERSIDE OF FLANGE 63.0 MICROINCH,BALANCE 125.0 MICROINCH FINISH IN; End Item Identification: 2350-00-065-0033. 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.