The Bearing,ball,airframe, cataloged under National Stock Number 3110-01-184-5434, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Timken Co Div the Timken Company. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Bearing,ball,airframe |
| FSC / FSG | 3110 — Bearings, Antifriction, Unmounted (FSG 31) |
| Manufacturers | Rbc Aircraft Products, Inc. (CAGE 3NPS1); Timken Co Div the Timken Company (CAGE 21335); Mpb Corp Div Timken Super Precision (CAGE 40920) |
| Parameter | Value |
|---|---|
| NSN | 3110-01-184-5434 |
| Primary Part Number | BACB10A539 |
| Item Name | Bearing,ball,airframe |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Timken Co Div the Timken Company |
| Status | ACTIVE |
| 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 |
|---|---|
| A540DDE8510 | Rbc Aircraft Products, Inc. (USA) |
| BACB10A539 PRIMARY | Timken Co Div the Timken Company (USA) |
| BACB10A539 PRIMARY | Mpb Corp Div Timken Super Precision (USA) |
| Reference | Meaning |
|---|---|
| B540ZZ ST12 | 5/9 Secondary reference Skf Usa Inc. |
| A540DDE8510 | 5/9 Secondary reference Timken Co Div the Timken Company |
| BACB10A539 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 3110-01-184-5434 is a Bearing,ball,airframe, manufactured by Timken Co Div the Timken Company, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-184-5434 has 3 manufacturer part numbers on file: A540DDE8510 (Rbc Aircraft Products, Inc.), BACB10A539 (Timken Co Div the Timken Company), BACB10A539 (Mpb Corp Div Timken Super Precision).
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.