The Bearing,ball,annular, cataloged under National Stock Number 3110-01-170-1535, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is New Hampshire Ball Bearings Inc Div Precision Division. Government technical data includes 15 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-170-1535 |
| Primary Part Number | SSRIF-518ZZHA3P18LY15 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | New Hampshire Ball Bearings Inc Div Precision Division |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Lubrication Material | GREASE |
| Internal Clearance | 0.0001 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN |
| Flange Outside Diameter | 0.3590 INCHES NOMINAL IN |
| Surface Finish | GROUND |
| Shield Quantity | 2 |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Bore Shape | STRAIGHT |
| Specification/standard Data | 12511-S326 MANUFACTURERS SPECIFICATION CONTROL |
| Load Direction | RADIAL |
| Flange Width | 0.0310 INCHES NOMINAL IN |
| Outer Ring Outside Diameter | 0.3125 INCHES MAXIMUM IN |
| Standard Tolerance Designation | ABEC NO.3 |
| Bore Diameter | 0.1250 INCHES MAXIMUM IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| SSRIF-518ZZHA3P18LY15 PRIMARY | New Hampshire Ball Bearings Inc Div Precision Division (USA) |
| RKF 4010X-48-6/20 | Rmb Miniature Bearings Inc (USA) |
| Reference | Meaning |
|---|---|
| S326-6 | 7/2 Vendor item drawing reference Simmonds Precision Products Inc |
| SFR2-53PPK18-36 | 5/9 Secondary reference U.S. Government activity |
| S518FCHH3 | 5/1 Secondary reference Mpb Corp Div Timken Super Precision |
NSN 3110-01-170-1535 is a Bearing,ball,annular, manufactured by New Hampshire Ball Bearings Inc Div Precision Division, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-170-1535 has 2 manufacturer part numbers on file: SSRIF-518ZZHA3P18LY15 (New Hampshire Ball Bearings Inc Div Precision Division), RKF 4010X-48-6/20 (Rmb Miniature Bearings Inc).
Key specifications for SSRIF-518ZZHA3P18LY15: Retainer Fabrication Method: PRESSED; Lubrication Material: GREASE; Internal Clearance: 0.0001 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN; Flange Outside Diameter: 0.3590 INCHES NOMINAL IN. 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.