The Bearing,ball,duplex, cataloged under National Stock Number 3110-01-211-0750, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Mpb Corp Div Timken Super Precision. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Bearing,ball,duplex |
| FSC / FSG | 3110 — Bearings, Antifriction, Unmounted (FSG 31) |
| Manufacturers | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (CAGE 30003); Mpb Corp Div Timken Super Precision (CAGE 40920) |
| Parameter | Value |
|---|---|
| NSN | 3110-01-211-0750 |
| Primary Part Number | E998-808-9 C-A |
| Item Name | Bearing,ball,duplex |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Mpb Corp Div Timken Super Precision |
| 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 |
|---|---|
| 639AS6561-9 C-A | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| E998-808-9 C-A PRIMARY | Mpb Corp Div Timken Super Precision (USA) |
| Reference | Meaning |
|---|---|
| SR40405B311A-9 C-A | 5/9 Secondary reference U.S. Government activity |
| SR40415B30-9 C-A | 5/2 Secondary reference U.S. Government activity |
| E998-804-9 C-A | 5/9 Secondary reference Mpb Corp Div Timken Super Precision |
| 639AS6522-9 C-A | 5/9 Secondary reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 3110-01-211-0750 is a Bearing,ball,duplex, manufactured by Mpb Corp Div Timken Super Precision, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-211-0750 has 2 manufacturer part numbers on file: 639AS6561-9 C-A (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), E998-808-9 C-A (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.