The Collar,shaft, cataloged under National Stock Number 3040-01-389-7826, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-389-7826 |
| Primary Part Number | 12418543-001 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Outside Diameter | 2.5 INCHES NOMINAL IN |
| Material | ALUMINUM |
| Thickness | 0.125 INCHES NOMINAL 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 |
|---|---|
| 12418543-001 | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA) |
| 12418543-001 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 12418543-001 | Amz Alabama Inc. (USA) |
| Reference | Meaning |
|---|---|
| 12418543 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 3040-01-389-7826 is a Collar,shaft, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-389-7826 has 3 manufacturer part numbers on file: 12418543-001 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc), 12418543-001 (U S Army Tank Automotive Command Amsta-Im-Mm), 12418543-001 (Amz Alabama Inc.).
Key specifications for 12418543-001: Outside Diameter: 2.5 INCHES NOMINAL IN; End Item Identification: 2320-01-354-3386; Material: ALUMINUM; Thickness: 0.125 INCHES NOMINAL IN. 3 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.