The Bearing,ball,fairlead, cataloged under National Stock Number 3110-01-422-3760, 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. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 3110-01-422-3760 |
| Primary Part Number | Y027 |
| Item Name | Bearing,ball,fairlead |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Mpb Corp Div Timken Super Precision |
| Status | ACTIVE |
| Bearing Seal Type | CONTACT |
| Outer Ring Width | 0.3350 INCHES NOMINAL IN |
| Groove Diameter | 0.9000 INCHES MINIMUM AND 0.9100 INCHES MAXIMUM IN |
| Shield Quantity | 2 |
| Groove Radius | 0.1500 INCHES MINIMUM AND 0.1600 INCHES MAXIMUM IN |
| Style Designator | SINGLE ROW RIGID, GROOVED OD INNER RING EXTENDED BOTH SIDES |
| Overall Outside Diameter | 1.0630 INCHES NOMINAL IN |
| Seal Quantity | 2 |
| Bore Diameter | 0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN |
| Material | RUBBER SYNTHETIC SEAL |
| Material | STEEL COMP 440C SHIELD |
| Material | CHROMIUM ALLOY BALL |
| Material | CHROMIUM ALLOY INNER RING |
| Material | CHROMIUM ALLOY OUTER RING |
| Inner Ring Width | 0.3480 INCHES NOMINAL 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 |
|---|---|
| Y027 PRIMARY | Mpb Corp Div Timken Super Precision (USA) |
| Reference | Meaning |
|---|---|
| 4D0070-7 | 5/2 Secondary reference U.S. Government activity |
| FL4C8-3 | 3/2 Design control — primary reference U.S. Government activity |
| FL4C8-3 | 5/9 Secondary reference Timken Co Div the Timken Company |
NSN 3110-01-422-3760 is a Bearing,ball,fairlead, manufactured by Mpb Corp Div Timken Super Precision, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-422-3760 has 1 manufacturer part number on file: Y027 (Mpb Corp Div Timken Super Precision).
Key specifications for Y027: Bearing Seal Type: CONTACT; Outer Ring Width: 0.3350 INCHES NOMINAL IN; Groove Diameter: 0.9000 INCHES MINIMUM AND 0.9100 INCHES MAXIMUM IN; Shield Quantity: 2. 15 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.