The Bearing Half,sleeve, cataloged under National Stock Number 3120-00-339-5645, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Cummins Inc.. Government technical data includes 18 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-00-339-5645 |
| Primary Part Number | 203672 |
| Item Name | Bearing Half,sleeve |
| FSC / FSG | 3120 / 31 — No Item Name Available |
| Manufacturer | Cummins Inc. |
| Status | ACTIVE |
| Style Designator | HALF SLEEVE, PLAIN, NO OUTSIDE FLANGES |
| Hole Diameter | 0.1875 INCHES NOMINAL FIRST IN |
| Material | COPPER ALLOY INNER LAYER |
| Distance From Centerline of Opening to Left End of Bearing | 0.9780 INCHES MINIMUM AND 0.9980 INCHES MAXIMUM FIRST IN |
| Hole Spacing Angle | 180.0 DEGREES NOMINAL |
| Distance From Lug End to End of Bearing | 0.3960 INCHES MINIMUM AND 0.4035 INCHES MAXIMUM IN |
| Antirotation/lubrication Type and Quantity | 1 HOLE AND 2 SLOT |
| Locking Lug Width | 0.2380 INCHES MINIMUM AND 0.2430 INCHES MAXIMUM IN |
| Locking Lug Length | 0.2187 INCHES NOMINAL IN |
| Body Outside Diameter | 3.2850 INCHES MINIMUM AND 3.3100 INCHES MAXIMUM IN |
| Slot Length | 0.5000 INCHES MINIMUM AND 0.5312 INCHES MAXIMUM FIRST IN |
| Slot Width | 0.4219 INCHES MINIMUM AND 0.4531 INCHES MAXIMUM FIRST IN |
| Material | OIL LUBRICATING LUBRICATION |
| Corner Shape | SQUARE ALL CORNERS |
| Locking Lug Height | 0.0450 INCHES MINIMUM AND 0.0550 INCHES MAXIMUM IN |
| Surface Treatment | TIN OVERALL |
| Body Inside Diameter | 3.1190 INCHES MINIMUM AND 3.1455 INCHES MAXIMUM IN |
| Material | STEEL COMP 1010 OUTER LAYER |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 42679-1-020 | Cummins Inc. (USA) |
| 203672 PRIMARY | Cummins Inc. (USA) |
NSN 3120-00-339-5645 is a Bearing Half,sleeve, manufactured by Cummins Inc., classified under FSC 3120 (No Item Name Available). Status: active.
NSN 3120-00-339-5645 has 2 cross-referenced part numbers: 42679-1-020 (Cummins Inc.), 203672 (Cummins Inc.).
There are 3 known substitutes for 3120-00-339-5645: 5935-00-201-8453, 3010-00-210-3989, 5962-01-064-9568. Verify interchangeability with system specifications before substitution.
Key specifications for 203672: Style Designator: HALF SLEEVE, PLAIN, NO OUTSIDE FLANGES; Hole Diameter: 0.1875 INCHES NOMINAL FIRST IN; Material: COPPER ALLOY INNER LAYER; Distance From Centerline of Opening to Left End of Bearing: 0.9780 INCHES MINIMUM AND 0.9980 INCHES MAXIMUM FIRST IN. 19 total characteristics are documented in the Federal Logistics Information System.