The Cone and Rollers,tapered Roller, cataloged under National Stock Number 3110-00-100-0255, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Federal-Mogul Corp Government Sales Dept. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 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: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3110-00-100-0255 |
| Primary Part Number | BT478 |
| Item Name | Cone and Rollers,tapered Roller |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | Federal-Mogul Corp Government Sales Dept |
| Status | CANCELLED |
| Bore Diameter | 2.5591 INCHES NOMINAL IN |
| Cone Corner Radius | 0.0938 INCHES NOMINAL IN |
| Style Designator | NORMAL ANGLE |
| Material | STEEL OVERALL |
| Standard Tolerance Designation | AFBMA CLASS 2 |
| Cone Width | 1.1420 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| FF-B-187A | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| BT478 PRIMARY | Federal-Mogul Corp Government Sales Dept (USA) |
| 478 | The Timken Company (FRA) |
| K478 | Skf France (FRA) |
| 5T1223 | Scott Huber Essick a Co of Figgie International Inc (USA) |
| 121550 | General Motors Corp (USA) |
| 5R1223 | Scott Huber Essick a Co of Figgie International Inc (USA) |
| 478 PRIMARY | The Timken Corporation (USA) |
| 121550 PRIMARY | General Motors Llc Dba General Motors Llc (USA) |
NSN 3110-00-100-0255 is a Cone and Rollers,tapered Roller, manufactured by Federal-Mogul Corp Government Sales Dept, classified under FSC 3110 (No Item Name Available). Status: cancelled.
NSN 3110-00-100-0255 has 9 cross-referenced part numbers: FF-B-187A (Federal Specifications Promulgated by General Services Administration Washington DC), BT478 (Federal-Mogul Corp Government Sales Dept), 478 (The Timken Company), K478 (Skf France), 5T1223 (Scott Huber Essick a Co of Figgie International Inc) and 4 more.
There are 12 known substitutes for 3110-00-100-0255: 5120-00-236-7621, 5970-00-284-8078, 4820-00-287-4234 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for BT478: Bore Diameter: 2.5591 INCHES NOMINAL IN; Cone Corner Radius: 0.0938 INCHES NOMINAL IN; Style Designator: NORMAL ANGLE; Material: STEEL OVERALL. 6 total characteristics are documented in the Federal Logistics Information System.
NSN 3110-00-100-0255 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.