The Bearing,roller,needle, cataloged under National Stock Number 3110-00-403-2877, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Timken Aerospace, Inc Dba Torrington Product. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3110-00-403-2877 |
| Primary Part Number | M-2 1/2 51-AS |
| Item Name | Bearing,roller,needle |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Timken Aerospace, Inc Dba Torrington Product |
| Status | ACTIVE |
| Lubrication Material | OIL LUBRICATING |
| Style Designator | NON-SEPARABLE, CLOSED END, DRAWN SHELL |
| Overall Outside Diameter | 0.2810 INCHES NOMINAL IN |
| Alignment Type | RIGID |
| Bore Diameter | 0.1560 INCHES NOMINAL IN |
| Lubrication Material Document and Classification | VV-L-800 FED SPEC SINGLE MATERIAL RESPONSE |
| 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 |
|---|---|
| CYRB105 | Ge Aviation Systems Llc Dba Ge Aviation Systems Llc (USA) |
| M-2 1/2 51-AS PRIMARY | Timken Aerospace, Inc Dba Torrington Product (USA) |
| Reference | Meaning |
|---|---|
| M2 1-2 51AS | 5/9 Secondary reference Timken Aerospace, Inc Dba Torrington Product |
NSN 3110-00-403-2877 is a Bearing,roller,needle, manufactured by Timken Aerospace, Inc Dba Torrington Product, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-403-2877 has 2 manufacturer part numbers on file: CYRB105 (Ge Aviation Systems Llc Dba Ge Aviation Systems Llc), M-2 1/2 51-AS (Timken Aerospace, Inc Dba Torrington Product).
Key specifications for M-2 1/2 51-AS: Lubrication Material: OIL LUBRICATING; Style Designator: NON-SEPARABLE, CLOSED END, DRAWN SHELL; Overall Width: 0.3120 INCHES NOMINAL IN; Overall Outside Diameter: 0.2810 INCHES NOMINAL IN. 6 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.