The Worm Shaft, cataloged under National Stock Number 3040-00-031-2472, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Ballantyne of Omaha Inc.. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-031-2472 |
| Primary Part Number | A72105 |
| Item Name | Worm Shaft |
| FSC / FSG | 3040 / 30 — No Item Name Available |
| Manufacturer | Ballantyne of Omaha Inc. |
| Status | ACTIVE |
| Worm Thread Direction | RIGHT-HAND |
| Worm Thread Lead | 0.375 INCHES NOMINAL IN |
| Worm Outside Diameter | 0.375 INCHES NOMINAL IN |
| Straight Unthreaded Section Diameter | 0.156 INCHES NOMINAL SECOND END IN |
| Straight Unthreaded Length | 0.626 INCHES NOMINAL SECOND END IN |
| Straight Unthreaded Length | 0.093 INCHES NOMINAL FIRST END IN |
| Material | STEEL CORROSION RESISTING |
| Straight Unthreaded Section Diameter | 0.219 INCHES NOMINAL FIRST END IN |
| Shaft Location | ONE END OF WORM |
| Worm Body Tapered Bearing Surface End | NOT PROVIDED |
| Worm Pitch Diameter | 0.333 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Worm Helix Angle | 3 DEG 35 MIN |
| Worm Pressure Angle in Deg | 14.500 |
| Worm Thread Section Length | 0.375 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 3040-00-031-2472 is a Worm Shaft, manufactured by Ballantyne of Omaha Inc., classified under FSC 3040 (No Item Name Available). Status: active.
NSN 3040-00-031-2472 has 2 cross-referenced part numbers: 72105 (Arma Div Ambac Industries Inc), A72105 (Ballantyne of Omaha Inc.).
There are 6 known substitutes for 3040-00-031-2472: 6640-00-307-5715, 3020-00-542-4103, 3750-00-618-8077 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for A72105: Worm Thread Direction: RIGHT-HAND; Worm Thread Lead: 0.375 INCHES NOMINAL IN; Worm Outside Diameter: 0.375 INCHES NOMINAL IN; Straight Unthreaded Section Diameter: 0.156 INCHES NOMINAL SECOND END IN. 16 total characteristics are documented in the Federal Logistics Information System.