The Bearing,ball,annular, cataloged under National Stock Number 3110-00-156-6752, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 23 commercial cross-references from 10 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 | 3110-00-156-6752 |
| Primary Part Number | 4F1521 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Contact Angle | 25.0 DEGREES MAXIMUM |
| Overall Outside Diameter | 40.0 MILLIMETERS NOMINAL MM |
| Bore Shape | STRAIGHT |
| Style Designator | COUNTERBORED OUTER RING, NON-SEPARABLE |
| Material | STEEL BALL |
| Material | STEEL INNER RING |
| Bore Diameter | 17.0 MILLIMETERS NOMINAL MM |
| Load Direction | ANGULAR |
| Surface Finish | GROUND |
| Standard Tolerance Designation | ABEC NO.1 |
| Material | STEEL OUTER RING |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 36151D | Navistar International Corporation Dba Navistar (USA) |
| 4F1521 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| 20203 | General Motors Corp (USA) |
| 20203N01 | General Motors Corp Delco Moraine Ndh Div (USA) |
| 7203C1TX9 PRIMARY | Nsk Corp Bearing Div (USA) |
| 104184-3 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 20203A | General Motors Corp Delco Moraine Ndh Div (USA) |
| 20203 | General Motors Llc Dba General Motors Llc (USA) |
| 273829-57 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 80159 PRIMARY | Eaton Aerospace, Llc Dba Jackson South (USA) |
| 225778-9 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 319696-514 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 280026-37 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 20203N01 | General Motors Corp (USA) |
| 20203N01 | General Motors Llc Dba General Motors Llc (USA) |
| 954281 PRIMARY | General Motors Corp (USA) |
| 742381 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 2557-43196 | Unisys Corp Defense Systems C S D Field Engineering (USA) |
| 20203A | General Motors Corp (USA) |
| 20203 | General Motors Corp Delco Moraine Ndh Div (USA) |
NSN 3110-00-156-6752 is a Bearing,ball,annular, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3110 (No Item Name Available). Status: active.
NSN 3110-00-156-6752 has 23 cross-referenced part numbers: 36151D (Navistar International Corporation Dba Navistar), 4F1521 (Caterpillar Inc Div Caterpillar Defense), 20203 (General Motors Corp), 20203N01 (General Motors Corp Delco Moraine Ndh Div), 7203C1TX9 (Nsk Corp Bearing Div) and 18 more.
There are 12 known substitutes for 3110-00-156-6752: 5360-00-079-9411, 3110-00-156-6757, 4310-00-168-8717 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4F1521: Contact Angle: 25.0 DEGREES MAXIMUM; Overall Outside Diameter: 40.0 MILLIMETERS NOMINAL MM; Bore Shape: STRAIGHT; Style Designator: COUNTERBORED OUTER RING, NON-SEPARABLE. 12 total characteristics are documented in the Federal Logistics Information System.