The Bearing,ball,annular, cataloged under National Stock Number 3110-01-121-1774, 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 20 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3110-01-121-1774 |
| Primary Part Number | S418FC5P25-LOC1 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Mpb Corp Div Timken Super Precision |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Lubrication Material | OIL |
| Internal Fit-Up Designation | STANDARD |
| Flange Outside Diameter | 0.2960 INCHES NOMINAL IN |
| Surface Finish | GROUND |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OUTER RING |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE INNER RING |
| Material Document and Classification | 66 FED STD 1ST MATERIAL RESPONSE BALL |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Flange Width | 0.0230 INCHES NOMINAL IN |
| Outer Ring Outside Diameter | 0.2498 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN |
| Standard Tolerance Designation | ABEC NO.5 |
| Bore Diameter | 0.1248 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM IN |
| Material | STEEL COMP 440C INNER RING |
| Material | STEEL COMP 440C OUTER RING |
| Material | STEEL CORROSION RESISTING RETAINER |
| Material | STEEL COMP 440C BALL |
| Lubrication Material Document and Classification | MIL-L-6085 MIL 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 |
|---|---|
| S418FC5P25-LOC1 PRIMARY | Mpb Corp Div Timken Super Precision (USA) |
| S418FC3L0C2 PRIMARY | Mpb Corp Div Timken Super Precision (USA) |
| Reference | Meaning |
|---|---|
| S418FC3L0C4 | 5/9 Secondary reference Mpb Corp Div Timken Super Precision |
NSN 3110-01-121-1774 is a Bearing,ball,annular, manufactured by Mpb Corp Div Timken Super Precision, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-121-1774 has 2 manufacturer part numbers on file: S418FC5P25-LOC1 (Mpb Corp Div Timken Super Precision), S418FC3L0C2 (Mpb Corp Div Timken Super Precision).
Key specifications for S418FC5P25-LOC1: Retainer Fabrication Method: PRESSED; Lubrication Material: OIL; Internal Fit-Up Designation: STANDARD; Flange Outside Diameter: 0.2960 INCHES NOMINAL IN. 20 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.