The Cone and Rollers,tapered Roller, cataloged under National Stock Number 3110-00-100-3111, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is The Timken Corporation. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 13 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 17 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 11 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-100-3111 |
| Primary Part Number | 3975 |
| Item Name | Cone and Rollers,tapered Roller |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | The Timken Corporation |
| Status | ACTIVE |
| Style Designator | NORMAL ANGLE |
| Cone Corner Radius | 0.1406 INCHES NOMINAL IN |
| Cone Width | 1.1830 INCHES NOMINAL IN |
| Standard Tolerance Designation | AFBMA CLASS 2 |
| Bore Diameter | 2.0000 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| K3975 | Skf France (FRA) |
| 3975 PRIMARY | The Timken Corporation (USA) |
| 3975 PRIMARY | Kenworth Truck Co a Div of Paccar Inc (USA) |
| 30H59 PRIMARY | Astec Industries Inc Div Astec Ind. (USA) |
| 3975 PRIMARY | Rbc Bearings Incorporated Div West Trenton Division (USA) |
| 705317 | Army Weapons Command Attn Amswe-Ree-S (USA) |
| 3975 PRIMARY | Meritor Heavy Vehicle Systems, Llc (USA) |
| 3975 PRIMARY | Federal-Mogul Corp Government Sales Dept (USA) |
| 1025Z2133 | Morris Material Handling, Inc. (USA) |
| 3975 | The Timken Company (FRA) |
| 3975 PRIMARY | Nsk Corp Bearing Div (USA) |
| BT3975 PRIMARY | Federal-Mogul Corp Government Sales Dept (USA) |
| 3975 PRIMARY | Garwood/feller Inc Garwood Winch Div (USA) |
| Reference | Meaning |
|---|---|
| 3975 | 5/9 Secondary reference Diamond Reo Truck Co |
| 0042884 | 5/2 Secondary reference U.S. Government activity |
| 30H59 | 5/9 Secondary reference Barber-Greene Co |
| 2X6612A | 3/2 Design control — primary reference U.S. Government activity |
| 3975 | 5/9 Secondary reference Corbitt Co Inc |
| 42884 | 5/9 Secondary reference U.S. Government activity |
| FF-B-187 | 4/1 Identification reference U.S. Government activity |
| 3975 | 5/9 Secondary reference Kaitlin Corp |
| 3975 | 5/9 Secondary reference Tyson Bearing Co Div Skf Industries Inc |
| 0042884-7 | 5/9 Secondary reference U.S. Government activity |
| 042884 | 5/2 Secondary reference U.S. Government activity |
| 620371 | 5/9 Secondary reference Wabco Construction and Mining Equipment Group Indianapolis Plant an American Standard Inc Co |
| 617159 | 5/9 Secondary reference White Motor Corp |
| F58077 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 30H59 | C/1 Advisory reference — outside the item-of-supply concept Minnpar, Llc Dba Minnpar |
| 3975 | C/1 Advisory reference — outside the item-of-supply concept Meritor Industrial Products, Llc |
| 187516 | 5/9 Secondary reference General Motors Corp |
NSN 3110-00-100-3111 is a Cone and Rollers,tapered Roller, manufactured by The Timken Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-100-3111 has 13 manufacturer part numbers on file: K3975 (Skf France), 3975 (The Timken Corporation), 3975 (Kenworth Truck Co a Div of Paccar Inc), 30H59 (Astec Industries Inc Div Astec Ind.), 3975 (Rbc Bearings Incorporated Div West Trenton Division) and 8 more.
11 possible matches (shared part number, not a government interchangeability claim): 5935-00-258-7751, 5950-00-266-2511, 5310-00-349-9635. Verify interchangeability with system specifications before substitution.
Key specifications for 3975: Style Designator: NORMAL ANGLE; Cone Corner Radius: 0.1406 INCHES NOMINAL IN; Cone Width: 1.1830 INCHES NOMINAL IN; Standard Tolerance Designation: AFBMA CLASS 2. 6 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.