The Bearing,ball,annular, cataloged under National Stock Number 3110-01-411-3281, 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 19 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-411-3281 |
| Primary Part Number | 123D6751 PART 3 |
| 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 | OIL |
| Internal Clearance | 0.0005 INCHES MINIMUM RADIAL AND 0.0007 INCHES MAXIMUM RADIAL IN |
| Flange Outside Diameter | 0.6700 INCHES MINIMUM AND 0.6750 INCHES MAXIMUM IN |
| Surface Finish | GROUND |
| Shield Quantity | 1 |
| Style Designator | COUNTERBORED OUTER RING, NON-SEPARABLE |
| Bore Shape | STRAIGHT |
| Load Direction | ANGULAR |
| Flange Width | 0.1460 INCHES MINIMUM AND 0.1480 INCHES MAXIMUM IN |
| Outer Ring Outside Diameter | 0.6259 INCHES MINIMUM AND 0.6260 INCHES MAXIMUM IN |
| Standard Tolerance Designation | ABEC NO.7 |
| Bore Diameter | 0.9365 INCHES MINIMUM AND 0.9370 INCHES MAXIMUM IN |
| Material | STEEL COMP E52100 BALL |
| Material | PLASTIC PHENOLIC RETAINER |
| Material | STEEL COMP E52100 OUTER RING |
| Material | STEEL COMP E52100 INNER RING |
| Material | STEEL COMP 302 SHIELD |
| Lubrication Material Document and Classification | RL-743A, CAGEC 19135 MFR REF SINGLE MATERIAL RESPONSE A |
| 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 |
|---|---|
| 123D6751 PART 3 PRIMARY | New Hampshire Ball Bearings Inc Div Precision Division (USA) |
| Reference | Meaning |
|---|---|
| 123D6751 PART 3 | 1/2 Source control — Government-approved source U.S. Government activity |
| Z155X391V-32C | 5/9 Secondary reference Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation |
| ZA-308ZKNA7CA1P57LY456 | 5/1 Secondary reference New Hampshire Ball Bearings Inc Div Precision Division |
| 206 | 5/9 Secondary reference New Hampshire Ball Bearings Inc Div Precision Division |
| 10174799 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| ZA-308ZKNA7CA1P57LY206 | 5/9 Secondary reference New Hampshire Ball Bearings Inc Div Precision Division |
NSN 3110-01-411-3281 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 3110-01-411-3281 has 1 manufacturer part number on file: 123D6751 PART 3 (New Hampshire Ball Bearings Inc Div Precision Division).
Key specifications for 123D6751 PART 3: Retainer Fabrication Method: PRESSED; Lubrication Material: OIL; Internal Clearance: 0.0005 INCHES MINIMUM RADIAL AND 0.0007 INCHES MAXIMUM RADIAL IN; Flange Outside Diameter: 0.6700 INCHES MINIMUM AND 0.6750 INCHES MAXIMUM IN. 19 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.