The Bearing,roller,needle, cataloged under National Stock Number 3110-01-149-4648, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-149-4648 |
| Primary Part Number | SB2518-1 |
| Item Name | Bearing,roller,needle |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Alignment Type | RIGID |
| Bore Diameter | 3.2502 INCHES MINIMUM AND 3.2507 INCHES MAXIMUM IN |
| 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 |
|---|---|
| SB2518-1 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| N7749580879 | Airbus Helicopters (ets De Marignane) (FRA) |
| Reference | Meaning |
|---|---|
| MR-879 | 5/2 Secondary reference U.S. Government activity |
NSN 3110-01-149-4648 is a Bearing,roller,needle, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-149-4648 has 2 manufacturer part numbers on file: SB2518-1 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), N7749580879 (Airbus Helicopters (ets De Marignane)).
Key specifications for SB2518-1: Overall Width: 4.2400 INCHES MINIMUM AND 4.2500 INCHES MAXIMUM IN; Alignment Type: RIGID; Bore Diameter: 3.2502 INCHES MINIMUM AND 3.2507 INCHES MAXIMUM IN. 2 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.