The Bearing,roller,tapered, cataloged under National Stock Number 3110-00-679-6782, 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 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-679-6782 |
| Primary Part Number | 389A382A |
| Item Name | Bearing,roller,tapered |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | The Timken Corporation |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Cup Width | 0.6250 INCHES NOMINAL IN |
| Style Designator | STRAIGHT BORE, NORMAL ANGLE |
| Overall Outside Diameter | 3.8125 INCHES NOMINAL IN |
| Backface Corner Radius | 0.0310 INCHES NOMINAL IN |
| Cone Corner Radius | 0.0310 INCHES NOMINAL IN |
| Standout Width | 0.2018 INCHES NOMINAL IN |
| Cone Width | 0.8640 INCHES NOMINAL IN |
| Standard Tolerance Designation | AFBMA CLASS 2 |
| Bore Diameter | 2.1250 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 | F |
| Part Number | Manufacturer |
|---|---|
| 389A382A PRIMARY | The Timken Corporation (USA) |
| Reference | Meaning |
|---|---|
| 399821R91 | 5/9 Secondary reference Komatsu American Intl Co |
| FFB187/01-385 | 5/9 Secondary reference U.S. Government activity |
| D-108138 | 5/1 Secondary reference Komatsu America Corporation |
| FF-B-187/01 | 5/9 Secondary reference U.S. Government activity |
| 108138 | 5/9 Secondary reference Komatsu America Corporation |
| 389A AND 382A | 5/1 Secondary reference Federal-Mogul Corp Government Sales Dept |
| A-A-59649 | 4/1 Identification reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| AA59649-385 | 5/9 Secondary reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| 399821R91 | 5/9 Secondary reference U.S. Government activity |
| 3649-1PC78AX78B | 5/1 Secondary reference Lake Shore Systems, Inc. |
| 389A-382A | 5/1 Secondary reference Federal-Mogul Corp Government Sales Dept |
NSN 3110-00-679-6782 is a Bearing,roller,tapered, manufactured by The Timken Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-679-6782 has 1 manufacturer part number on file: 389A382A (The Timken Corporation).
Key specifications for 389A382A: Retainer Fabrication Method: PRESSED; Cup Width: 0.6250 INCHES NOMINAL IN; Style Designator: STRAIGHT BORE, NORMAL ANGLE; Overall Width: 0.8628 INCHES NOMINAL IN. 11 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.