The Bearing,ball,annular, cataloged under National Stock Number 3110-01-016-2960, 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 11 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-016-2960 |
| Primary Part Number | 30476 |
| 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 | STAMPED |
| Lubrication Material | OIL |
| Internal Clearance | 0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN |
| Surface Finish | GROUND |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Overall Outside Diameter | 0.4998 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Bore Diameter | 0.2498 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN |
| Calibration Designator | CAA |
| 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 |
|---|---|
| 30476 PRIMARY | New Hampshire Ball Bearings Inc Div Precision Division (USA) |
| 30476 PRIMARY | Mpb Corp Div Timken Super Precision (USA) |
| Reference | Meaning |
|---|---|
| S814CP25 | 5/1 Secondary reference Mpb Corp Div Timken Super Precision |
| SSRI-814RA7P25 | 5/1 Secondary reference New Hampshire Ball Bearings Inc Div Precision Division |
| SR188K3 | 5/1 Secondary reference Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation |
| 30476 | 7/2 Vendor item drawing reference Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems |
NSN 3110-01-016-2960 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 3110-01-016-2960 has 2 manufacturer part numbers on file: 30476 (New Hampshire Ball Bearings Inc Div Precision Division), 30476 (Mpb Corp Div Timken Super Precision).
5 possible matches (shared part number, not a government interchangeability claim): 5330-01-030-3369, 1620-01-212-2726, 3230-01-390-6838. Verify interchangeability with system specifications before substitution.
Key specifications for 30476: Retainer Fabrication Method: STAMPED; Lubrication Material: OIL; Internal Clearance: 0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN; Surface Finish: GROUND. 11 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.