The Shaft,straight, cataloged under National Stock Number 3040-00-512-9223, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-512-9223 |
| Primary Part Number | 7974962 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — No Item Name Available |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| End Similarity | NOT IDENTICAL |
| Second End Keyway Width | 0.1880 INCHES NOMINAL IN |
| External Keyway Length | 1.250 INCHES NOMINAL FIRST END IN |
| First End Distance From Keyway Center to End | 1.000 INCHES NOMINAL IN |
| Material | STEEL COMP 1113 OR STEEL COMP 1116 OR STEEL COMP 1117 |
| First End Angle Between Keyways | 180.0 DEGREES NOMINAL |
| Second End Angle Between Keyways | 180.0 DEGREES NOMINAL |
| Second End Distance From Hole Center to End | 1.000 INCHES NOMINAL IN |
| First End Distance From Hole Center to End | 1.000 INCHES NOMINAL IN |
| Second End Distance From Keyway Center to End | 1.000 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-633 MIL SPEC ALL MATERIAL RESPONSES |
| Second End Hole Diameter | 0.1880 INCHES NOMINAL IN |
| First End Hole Diameter | 0.1250 INCHES NOMINAL IN |
| Second End Diameter | 1.9970 INCHES MINIMUM AND 2.0000 INCHES MAXIMUM IN |
| First End Keyway Width | 0.1880 INCHES NOMINAL IN |
| First End Diameter | 1.9970 INCHES MINIMUM AND 2.0000 INCHES MAXIMUM IN |
| External Keyway Length | 1.250 INCHES NOMINAL SECOND END IN |
| Second End Style | TWO WOODRUFF KEYWAYS AND CROSS DRILLED HOLE |
| First End Style | TWO WOODRUFF KEYWAYS AND CROSS DRILLED HOLE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 7740-22-4 | Chief of Engineers Dept of Army (USA) |
| 102707R1 | Navistar Intl Corp Truck Br Ohio Plant (USA) |
| 7974962 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 48B2071 | Heil Environmental Industries (USA) |
| 15540 | Lockwood Corp (USA) |
| 102707R1 | Navistar International Corporation Dba Navistar (USA) |
NSN 3040-00-512-9223 is a Shaft,straight, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3040 (No Item Name Available). Status: active.
NSN 3040-00-512-9223 has 6 cross-referenced part numbers: 7740-22-4 (Chief of Engineers Dept of Army), 102707R1 (Navistar Intl Corp Truck Br Ohio Plant), 7974962 (U S Army Tank Automotive Command Amsta-Im-Mm), 48B2071 (Heil Environmental Industries), 15540 (Lockwood Corp) and 1 more.
There are 12 known substitutes for 3040-00-512-9223: 5950-00-010-3005, 5950-00-056-3369, 3895-00-164-2642 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 7974962: Overall Length: 11.000 INCHES NOMINAL IN; End Similarity: NOT IDENTICAL; Second End Keyway Width: 0.1880 INCHES NOMINAL IN; External Keyway Length: 1.250 INCHES NOMINAL FIRST END IN. 21 total characteristics are documented in the Federal Logistics Information System.