The Collar,shaft, cataloged under National Stock Number 3040-00-239-3406, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Komatsu America Corporation. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-239-3406 |
| Primary Part Number | 18504 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — No Item Name Available |
| Manufacturer | Komatsu America Corporation |
| Status | ACTIVE |
| Bore Diameter | 1.2510 INCHES MINIMUM AND 1.2520 INCHES MAXIMUM IN |
| Securing Hole Quantity | 1 |
| Securing Hole Type and Location | THREADED SINGLE HOLE |
| Material | STEEL |
| Style Designator | PLAIN ROUND |
| Nominal Thread Size | 0.250 INCHES SINGLE HOLE IN |
| Thickness | 0.625 INCHES NOMINAL IN |
| Outside Diameter | 2.000 INCHES NOMINAL IN |
| Screw Thread Series Designator and Location | SINGLE HOLE UNIFIED NATIONAL COARSE (UNC) |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 3040-00-239-3406 is a Collar,shaft, manufactured by Komatsu America Corporation, classified under FSC 3040 (No Item Name Available). Status: active.
NSN 3040-00-239-3406 has 2 cross-referenced part numbers: 18504 (Komatsu America Corporation), R18504 (Komatsu America Corporation).
There are 7 known substitutes for 3040-00-239-3406: 6515-00-321-9850, 5935-00-528-8443, 5935-00-550-9983 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 18504: Bore Diameter: 1.2510 INCHES MINIMUM AND 1.2520 INCHES MAXIMUM IN; Securing Hole Quantity: 1; Securing Hole Type and Location: THREADED SINGLE HOLE; Material: STEEL. 9 total characteristics are documented in the Federal Logistics Information System.