The Bearing,ball,annular, cataloged under National Stock Number 3110-00-156-5309, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Nsk Uk Ltd. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 8 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 | 3110-00-156-5309 |
| Primary Part Number | A7 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | Nsk Uk Ltd |
| Status | ACTIVE |
| Bore Diameter | 7.00 MILLIMETERS NOMINAL MM |
| Standard Tolerance Designation | ABEC NO.1 |
| Style Designator | COUNTERBORED OUTER RING, MAGNETO TYPE, S EPARABLE |
| Material | STEEL OVERALL |
| Style Designator | COUNTERBORED OUTER RING, MAGNETO TYPE, S EPARABLE |
| Surface Finish | GROUND |
| Internal Fit-Up Designation | STANDARD |
| Bore Shape | STRAIGHT |
| Retainer Fabrication Method | PRESSED |
| Load Direction | RADIAL |
| Material | STEEL OVERALL |
| Internal Fit-Up Designation | STANDARD |
| Overall Outside Diameter | 22.00 MILLIMETERS NOMINAL MM |
| Load Direction | RADIAL |
| Bore Shape | STRAIGHT |
| Standard Tolerance Designation | ABEC NO.1 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 222573-13 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 273829-45 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 102668-1 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| K855083-2 | Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA) |
| 319696-575 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 22651-655 | Marconi Electronics Inc Marconi Instruments Div (USA) |
| E7 | Skf Usa Inc. (USA) |
| 7 MAGNETO BALL BEARING | Timken Co Div the Timken Company (USA) |
| A7 PRIMARY | Nsk Uk Ltd (GBR) |
| 122358-7A | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 22651-655 | Viavi Solutionsllc (USA) |
| E7 PRIMARY | Fag Bearings Corporation (USA) |
NSN 3110-00-156-5309 is a Bearing,ball,annular, manufactured by Nsk Uk Ltd, classified under FSC 3110 (No Item Name Available). Status: active.
NSN 3110-00-156-5309 has 12 cross-referenced part numbers: 222573-13 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 273829-45 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 102668-1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), K855083-2 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), 319696-575 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier) and 7 more.
There are 12 known substitutes for 3110-00-156-5309: 3455-00-021-2412, 5365-00-064-4381, 3010-00-088-4620 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for A7: Bore Diameter: 7.00 MILLIMETERS NOMINAL MM; Standard Tolerance Designation: ABEC NO.1; Style Designator: COUNTERBORED OUTER RING, MAGNETO TYPE, S EPARABLE; Material: STEEL OVERALL. 17 total characteristics are documented in the Federal Logistics Information System.