The Collar,shaft, cataloged under National Stock Number 3040-01-389-4265, 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 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-389-4265 |
| Primary Part Number | 12418543-002 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Style Designator | PLAIN ROUND |
| Material Document and Classification | B221 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) ALL MATERIAL RESPONSES OR AE AMS-QQ-A-200 8 ASSN STD 15TH MATERIAL RESPONSE |
| Outside Diameter | 2.50 MILLIMETERS NOMINAL MM |
| Bore Diameter | 2.375 MILLIMETERS NOMINAL MM |
| Material | ALUMINUM |
| Thickness | 0.125 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| 12418543-002 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 12418543-002 | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA) |
| 12418543-002 | Amz Alabama Inc. (USA) |
| Reference | Meaning |
|---|---|
| 12418543 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 3040-01-389-4265 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 3040-01-389-4265 has 3 manufacturer part numbers on file: 12418543-002 (U S Army Tank Automotive Command Amsta-Im-Mm), 12418543-002 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc), 12418543-002 (Amz Alabama Inc.).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-389-7826. Verify interchangeability with system specifications before substitution.
Key specifications for 12418543-002: Style Designator: PLAIN ROUND; Material Document and Classification: B221 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) ALL MATERIAL RESPONSES OR AE AMS-QQ-A-200 8 ASSN STD 15TH MATERIAL RESPONSE; Overall Width: 35.1 MILLIMETERS NOMINAL MM; Outside Diameter: 2.50 MILLIMETERS NOMINAL MM. 6 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.