The Bearing,ball,annular, cataloged under National Stock Number 3110-00-878-6498, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Mpb Corp Div Timken Super Precision. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 31 commercial cross-references from 16 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3110-00-878-6498 |
| Primary Part Number | GB520DD12-24 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | Mpb Corp Div Timken Super Precision |
| Status | CANCELLED |
| Overall Outside Diameter | 0.3750 INCHES NOMINAL IN |
| Retainer Fabrication Method | PRESSED |
| Lubrication Material Document and Classification | MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE |
| Standard Tolerance Designation | ABEC NO.7 |
| Bore Shape | STRAIGHT |
| Shield Quantity | 2 |
| Surface Finish | GROUND |
| Internal Clearance | 0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN |
| Load Direction | RADIAL |
| Lubrication Material | OIL |
| Material | STEEL CORROSION RESISTING OVERALL |
| Bore Diameter | 0.1875 INCHES NOMINAL IN |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2930 | Reed Instrument Bearing Co (USA) |
| GB520DD12-24 PRIMARY | Mpb Corp Div Timken Super Precision (USA) |
| S6316CHH7P24L01 | Mpb Corp Div Timken Super Precision (USA) |
| SSRI-6632ZZRA3P25L01 | New Hampshire Ball Bearings Inc Div Precision Division (USA) |
| 20331 | Bowmar Llc Dba Bowmar Instrument Corp (USA) |
| GB520DD12-24 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| SM-C-772657-1 | Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA) |
| SR166PPK25-7 | New Hampshire Ball Bearings Inc Div Hitech Division (USA) |
| AE113 | L3harris Maritime Services Inc (USA) |
| SR166PPK13 | New Hampshire Ball Bearings Inc Div Hitech Division (USA) |
| 2204186 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| M81793 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| SR1553MMK15/7 | New Hampshire Ball Bearings Inc Div Hitech Division (USA) |
| MIL-B-81793/4 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| SR166SSW3011A | Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA) |
| SR166PPK25 | New Hampshire Ball Bearings Inc Div Hitech Division (USA) |
| 760047-0003 | Datametrics Corporation (USA) |
| M81793-BHHJAA01CC71AB1 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| SR1663MMK15/7 | New Hampshire Ball Bearings Inc Div Hitech Division (USA) |
| AMV12K24DDFS171 | Timken Co Div the Timken Company (USA) |
NSN 3110-00-878-6498 is a Bearing,ball,annular, manufactured by Mpb Corp Div Timken Super Precision, classified under FSC 3110 (No Item Name Available). Status: cancelled.
NSN 3110-00-878-6498 has 31 cross-referenced part numbers: 2930 (Reed Instrument Bearing Co), GB520DD12-24 (Mpb Corp Div Timken Super Precision), S6316CHH7P24L01 (Mpb Corp Div Timken Super Precision), SSRI-6632ZZRA3P25L01 (New Hampshire Ball Bearings Inc Div Precision Division), 20331 (Bowmar Llc Dba Bowmar Instrument Corp) and 26 more.
There are 12 known substitutes for 3110-00-878-6498: 6625-00-005-5529, 5935-00-080-9556, 5961-00-117-3906 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for GB520DD12-24: Overall Outside Diameter: 0.3750 INCHES NOMINAL IN; Retainer Fabrication Method: PRESSED; Lubrication Material Document and Classification: MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE; Standard Tolerance Designation: ABEC NO.7. 14 total characteristics are documented in the Federal Logistics Information System.
NSN 3110-00-878-6498 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.