The Cone,tapered Roller Bearing, cataloged under National Stock Number 3110-01-082-9333, 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 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-082-9333 |
| Primary Part Number | LL639249XX-2-397 |
| Item Name | Cone,tapered Roller Bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | The Timken Corporation |
| Status | ACTIVE |
| Style Designator | GROOVED RACEWAYS, SMALL BORE CENTER WASHER W/SEATING RINGS |
| Material Document and Classification | SB3612-101,78286 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Cone Corner Radius | 0.0600 INCHES MAXIMUM IN |
| Cone Width | 0.9062 INCHES NOMINAL IN |
| Standard Tolerance Designation | AFBMA CLASS 2 |
| Bore Diameter | 7.7500 INCHES MINIMUM AND 7.7510 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| LL639249XX-2-397 PRIMARY | The Timken Corporation (USA) |
| SB3612-101 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
NSN 3110-01-082-9333 is a Cone,tapered Roller Bearing, manufactured by The Timken Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-082-9333 has 2 manufacturer part numbers on file: LL639249XX-2-397 (The Timken Corporation), SB3612-101 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for LL639249XX-2-397: Style Designator: GROOVED RACEWAYS, SMALL BORE CENTER WASHER W/SEATING RINGS; Material Document and Classification: SB3612-101,78286 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Cone Corner Radius: 0.0600 INCHES MAXIMUM IN; Cone Width: 0.9062 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.
NSN 3110-01-082-9333 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.