The Cone and Rollers,tapered Roller, cataloged under National Stock Number 3110-00-780-3670, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is The Timken Corporation. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-780-3670 |
| Primary Part Number | 665A |
| Item Name | Cone and Rollers,tapered Roller |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | The Timken Corporation |
| Status | ACTIVE |
| Cone Corner Radius | 0.2500 INCHES NOMINAL IN |
| Style Designator | NORMAL ANGLE |
| Standard Tolerance Designation | AFBMA CLASS 2 |
| Cone Width | 1.6250 INCHES NOMINAL IN |
| Bore Diameter | 3.3750 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 665A PRIMARY | The Timken Corporation (USA) |
| 665A | Meritor Industrial Products, Llc (USA) |
| FF-B-187 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 665A | Eaton Corp (USA) |
| 3A2903-1 PRIMARY | Heil Environmental Industries (USA) |
NSN 3110-00-780-3670 is a Cone and Rollers,tapered Roller, manufactured by The Timken Corporation, classified under FSC 3110 (No Item Name Available). Status: active.
NSN 3110-00-780-3670 has 5 cross-referenced part numbers: 665A (The Timken Corporation), 665A (Meritor Industrial Products, Llc), FF-B-187 (Federal Specifications Promulgated by General Services Administration Washington DC), 665A (Eaton Corp), 3A2903-1 (Heil Environmental Industries).
There are 4 known substitutes for 3110-00-780-3670: 5340-00-050-1591, 3110-00-100-6147, 3805-01-098-0211 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 665A: Cone Corner Radius: 0.2500 INCHES NOMINAL IN; Style Designator: NORMAL ANGLE; Standard Tolerance Designation: AFBMA CLASS 2; Cone Width: 1.6250 INCHES NOMINAL IN. 6 total characteristics are documented in the Federal Logistics Information System.