The Bearing,plain,rod End, cataloged under National Stock Number 3120-00-612-7490, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is General Motors Corp. Government technical data includes 19 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-00-612-7490 |
| Primary Part Number | 6814040 |
| Item Name | Bearing,plain,rod End |
| FSC / FSG | 3120 / 31 — No Item Name Available |
| Manufacturer | General Motors Corp |
| Status | ACTIVE |
| Outer Member Width | 0.4330 INCHES MAXIMUM IN |
| Inspection Hole Center to End Distance | 0.4270 INCHES MINIMUM AND 0.4470 INCHES MAXIMUM IN |
| Shank Style | INTERNALLY THREADED W/BEAD AND WRENCH FLATS AND INSPECTION HOLE |
| Shank Thread Length | 0.7180 INCHES MINIMUM AND 0.8120 INCHES MAXIMUM IN |
| Surface Treatment | CHROMIUM INNER MEMBER |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM ROD END BODY |
| Style Designator | BALL TYPE |
| Thread Series Designator | UNF |
| Material | STEEL CORROSION RESISTING ROD END BODY |
| Material | STEEL INNER MEMBER |
| Bore Center to Shank End Distance | 2.3650 INCHES MINIMUM AND 2.3850 INCHES MAXIMUM IN |
| Shank Width Across Wrench Flats | 0.4280 INCHES MINIMUM AND 0.4480 INCHES MAXIMUM IN |
| Outer Member Outside Diameter | 0.9370 INCHES MAXIMUM IN |
| Thread Diameter | 0.312 INCHES NOMINAL IN |
| Bore Diameter | 0.2495 INCHES MINIMUM AND 0.2515 INCHES MAXIMUM IN |
| Inner Member Width | 0.5880 INCHES MINIMUM AND 0.5930 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Thread Quantity Per Inch | 24 |
| Thread Class | 3B |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 3120-00-612-7490 is a Bearing,plain,rod End, manufactured by General Motors Corp, classified under FSC 3120 (No Item Name Available). Status: active.
NSN 3120-00-612-7490 has 2 cross-referenced part numbers: 6814040 (General Motors Corp), R4-24 (Stephens-Adamson Inc a Sub of Allis-Chalmers Corp).
There are 5 known substitutes for 3120-00-612-7490: 3110-00-116-5799, 5331-00-198-6183, 5340-00-961-7302 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 6814040: Outer Member Width: 0.4330 INCHES MAXIMUM IN; Inspection Hole Center to End Distance: 0.4270 INCHES MINIMUM AND 0.4470 INCHES MAXIMUM IN; Shank Style: INTERNALLY THREADED W/BEAD AND WRENCH FLATS AND INSPECTION HOLE; Shank Thread Length: 0.7180 INCHES MINIMUM AND 0.8120 INCHES MAXIMUM IN. 21 total characteristics are documented in the Federal Logistics Information System.