The Bearing,ball,annular, cataloged under National Stock Number 3110-00-991-0920, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Skf Usa Inc.. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 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 | 3110-00-991-0920 |
| Primary Part Number | 312SFFNT3 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | Skf Usa Inc. |
| Status | CANCELLED |
| Overall Outside Diameter | 5.1179 INCHES MINIMUM AND 5.1181 INCHES MAXIMUM IN |
| Bore Diameter | 2.3620 INCHES MINIMUM AND 2.3622 INCHES MAXIMUM IN |
| Internal Fit-Up Designation | TIGHT |
| Bore Shape | STRAIGHT |
| Retainer Fabrication Method | PRESSED |
| Load Direction | RADIAL |
| Internal Clearance | 0.0007 INCHES MINIMUM RADIAL AND 0.0011 INCHES MAXIMUM RADIAL IN |
| Lubrication Material | GREASE |
| Shield Quantity | 2 |
| Surface Finish | GROUND |
| Lubrication Material Document and Classification | MIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE |
| Material | STEEL OVERALL |
| Nondefinitive Spec/std Data | 111 TYPE AND 3 CLASS |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 312SFFNT3 PRIMARY | Skf Usa Inc. (USA) |
| 77612-7077 | General Motors Corp Delco Moraine Ndh Div (USA) |
| M17931-G059 PRIMARY | Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA) |
| M17931-G059 | Timken Co Div the Timken Company (USA) |
| MILB17931B | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 405850-51-H | Reliance Electric Company Dba Reliance & Dodge Brands (USA) |
| 6312ZZE100 PRIMARY | Nsk Corp Bearing Div (USA) |
| MILB17931C | N T N Bearing Corp of America (USA) |
| 313SEL89NT3 | Skf Usa Inc. (USA) |
| 3313EL57087J | General Motors Corp Delco Moraine Ndh Div (USA) |
| 405850-51-H | Reliance Electric (USA) |
| 6312ZZW1B PRIMARY | Skf Usa Inc. (USA) |
NSN 3110-00-991-0920 is a Bearing,ball,annular, manufactured by Skf Usa Inc., classified under FSC 3110 (No Item Name Available). Status: cancelled.
NSN 3110-00-991-0920 has 12 cross-referenced part numbers: 312SFFNT3 (Skf Usa Inc.), 77612-7077 (General Motors Corp Delco Moraine Ndh Div), M17931-G059 (Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation), M17931-G059 (Timken Co Div the Timken Company), MILB17931B (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 7 more.
There are 12 known substitutes for 3110-00-991-0920: 3110-00-922-8516, 3110-00-987-3720, 3110-00-987-3723 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 312SFFNT3: Overall Outside Diameter: 5.1179 INCHES MINIMUM AND 5.1181 INCHES MAXIMUM IN; Bore Diameter: 2.3620 INCHES MINIMUM AND 2.3622 INCHES MAXIMUM IN; Internal Fit-Up Designation: TIGHT; Bore Shape: STRAIGHT. 15 total characteristics are documented in the Federal Logistics Information System.
NSN 3110-00-991-0920 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.