The Bearing,ball,airframe, cataloged under National Stock Number 3110-01-468-7757, 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 21 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-468-7757 |
| Primary Part Number | S3746MCZZE5P39LY263 |
| Item Name | Bearing,ball,airframe |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Mpb Corp Div Timken Super Precision |
| Status | ACTIVE |
| Retainer Fabrication Method | MACHINED |
| Bearing Seal Type | CONTACT |
| Lubrication Material | GREASE |
| Outer Ring Width | 0.2500 INCHES NOMINAL IN |
| Internal Clearance | 0.0003 INCHES MINIMUM RADIAL AND 0.0009 INCHES MAXIMUM RADIAL IN |
| Style Designator | SINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE |
| Material Document and Classification | AMS 5618 ASSN STD SINGLE MATERIAL RESPONSE BALL |
| Material Document and Classification | AMS 5618 ASSN STD SINGLE MATERIAL RESPONSE INNER RING |
| Material Document and Classification | AMS 5618 ASSN STD SINGLE MATERIAL RESPONSE OUTER RING |
| Overall Outside Diameter | 2.8750 INCHES NOMINAL IN |
| Load Direction | RADIAL |
| Alignment Type | RIGID |
| Seal Quantity | 2 |
| Standard Tolerance Designation | ABEC NO. 5T |
| Bore Diameter | 2.3125 INCHES NOMINAL IN |
| Material | STEEL COMP 440C INNER RING |
| Material | STEEL COMP 440C OUTER RING |
| Material | PLASTIC PHENOLIC RETAINER |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAL |
| Material | STEEL COMP 440C BALL |
| Inner Ring Width | 0.2810 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 |
|---|---|
| S3746MCZZE5P39LY263 PRIMARY | Mpb Corp Div Timken Super Precision (USA) |
NSN 3110-01-468-7757 is a Bearing,ball,airframe, manufactured by Mpb Corp Div Timken Super Precision, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-468-7757 has 1 manufacturer part number on file: S3746MCZZE5P39LY263 (Mpb Corp Div Timken Super Precision).
Key specifications for S3746MCZZE5P39LY263: Retainer Fabrication Method: MACHINED; Bearing Seal Type: CONTACT; Lubrication Material: GREASE; Outer Ring Width: 0.2500 INCHES NOMINAL IN. 21 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.