The Bearing,ball,annular, cataloged under National Stock Number 3110-00-198-0975, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 9 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 | 3110-00-198-0975 |
| Primary Part Number | A640770 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | Naval Sea Systems Command |
| Status | CANCELLED |
| Lubrication Material Document and Classification | MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Lubrication Material | GREASE |
| Internal Fit-Up Designation | STANDARD |
| Surface Finish | GROUND |
| Style Designator | LOADING GROOVE, NON-SEPARABLE |
| Material | STEEL CORROSION RESISTING OVERALL |
| Bore Diameter | 0.0781 INCHES NOMINAL IN |
| Overall Outside Diameter | 0.2500 INCHES NOMINAL IN |
| Standard Tolerance Designation | ABEC NO.5 |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| A640770 | Naval Sea Systems Command (USA) |
| 177030-126 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| A8812767-2 | Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA) |
| 887392-5 | Goodrich Corporation Dba Goodrich Corp (USA) |
| SS4K7 | Mpb Corp Div Timken Super Precision (USA) |
| S14 | New Hampshire Ball Bearings Inc Div Hitech Division (USA) |
| 325696 | Airmotive Carburetor (USA) |
| A640770 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| S14A | New Hampshire Ball Bearings Inc Div Hitech Division (USA) |
| 325696 | Honeywell International Inc Div Aerospace-South Bend (bendix Dr) (USA) |
| SS4 | Mpb Corp Div Timken Super Precision (USA) |
| 177030-126 | Naval Sea Systems Command (USA) |
| M81793-SDDCAX0FAB51AB1 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 3110-00-198-0975 is a Bearing,ball,annular, manufactured by Naval Sea Systems Command, classified under FSC 3110 (No Item Name Available). Status: cancelled.
NSN 3110-00-198-0975 has 13 cross-referenced part numbers: A640770 (Naval Sea Systems Command), 177030-126 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), A8812767-2 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), 887392-5 (Goodrich Corporation Dba Goodrich Corp), SS4K7 (Mpb Corp Div Timken Super Precision) and 8 more.
There are 12 known substitutes for 3110-00-198-0975: 6625-00-168-0417, 4510-00-217-7338, 5930-00-245-9643 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for A640770: Lubrication Material Document and Classification: MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE; Bore Shape: STRAIGHT; Load Direction: RADIAL; Lubrication Material: GREASE. 12 total characteristics are documented in the Federal Logistics Information System.
NSN 3110-00-198-0975 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.