The Bearing,roller,tapered, cataloged under National Stock Number 3110-00-862-6984, 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-862-6984 |
| Primary Part Number | NA580SW-572D |
| Item Name | Bearing,roller,tapered |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | The Timken Corporation |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Cup Width | 2.6250 INCHES NOMINAL IN |
| Style Designator | STRAIGHT BORE, DOUBLE CUP SLOTTED SINGLE CONES, NON-ADJUSTABLE |
| Overall Outside Diameter | 5.5115 INCHES NOMINAL IN |
| Backface Corner Radius | 0.0310 INCHES NOMINAL IN |
| Cone Corner Radius | 0.1400 INCHES NOMINAL IN |
| Standout Width | 0.5000 INCHES NOMINAL IN |
| Cone Width | 1.8125 INCHES NOMINAL IN |
| Standard Tolerance Designation | AFBMA CLASS 2 |
| Bore Diameter | 3.2500 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 |
|---|---|
| NA580SW-572D PRIMARY | The Timken Corporation (USA) |
| Reference | Meaning |
|---|---|
| 7D3-05335 IT N0 | C/1 Advisory reference — outside the item-of-supply concept Lake Shore Systems, Inc. |
| TNASWE TWO-ROW | C/1 Advisory reference — outside the item-of-supply concept The Timken Corporation |
| Z200661M009 | 5/9 Secondary reference U.S. Government activity |
| 7D3-05046 IT NO | C/1 Advisory reference — outside the item-of-supply concept Lake Shore Systems, Inc. |
| D200661M001 PIECE 8 | 5/2 Secondary reference U.S. Government activity |
| NA580SW | C/1 Advisory reference — outside the item-of-supply concept The Timken Corporation |
| NA580-SW.CUP 57 | C/1 Advisory reference — outside the item-of-supply concept The Timken Corporation |
| 7D3-04942 IT NO | C/1 Advisory reference — outside the item-of-supply concept Lake Shore Systems, Inc. |
NSN 3110-00-862-6984 is a Bearing,roller,tapered, manufactured by The Timken Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-862-6984 has 1 manufacturer part number on file: NA580SW-572D (The Timken Corporation).
Key specifications for NA580SW-572D: Retainer Fabrication Method: PRESSED; Cup Width: 2.6250 INCHES NOMINAL IN; Style Designator: STRAIGHT BORE, DOUBLE CUP SLOTTED SINGLE CONES, NON-ADJUSTABLE; Overall Width: 3.6250 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.