The Cone and Rollers,tapered Roller, cataloged under National Stock Number 3110-01-266-2771, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Renold Inc Div Ajax. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3110-01-266-2771 |
| Primary Part Number | 637-33-708-0472 |
| Item Name | Cone and Rollers,tapered Roller |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Renold Inc Div Ajax |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Style Designator | NORMAL ANGLE |
| Cone Corner Radius | 0.1000 INCHES NOMINAL IN |
| Cone Width | 1.4961 INCHES NOMINAL IN |
| Standard Tolerance Designation | AFBMA CLASS 2 |
| Bore Diameter | 4.7244 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 |
|---|---|
| 637-33-708-0472 PRIMARY | Renold Inc Div Ajax (USA) |
| 32024X | The Timken Corporation (USA) |
| Reference | Meaning |
|---|---|
| FF-B-187 | 4/1 Identification reference U.S. Government activity |
| 32024 | C/1 Advisory reference — outside the item-of-supply concept The Timken Corporation |
NSN 3110-01-266-2771 is a Cone and Rollers,tapered Roller, manufactured by Renold Inc Div Ajax, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-266-2771 has 2 manufacturer part numbers on file: 637-33-708-0472 (Renold Inc Div Ajax), 32024X (The Timken Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 5340-01-553-8539, 4030-01-709-1360. Verify interchangeability with system specifications before substitution.
Key specifications for 637-33-708-0472: Retainer Fabrication Method: PRESSED; Style Designator: NORMAL ANGLE; Cone Corner Radius: 0.1000 INCHES NOMINAL IN; Cone Width: 1.4961 INCHES NOMINAL IN. 7 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.