The Bearing,ball,duplex, cataloged under National Stock Number 3110-00-105-4100, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation. Government technical data includes 6 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3110-00-105-4100 |
| Primary Part Number | 38HD |
| Item Name | Bearing,ball,duplex |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation |
| Status | ACTIVE |
| Surface Finish | GROUND |
| Bearing Preload Designation | LIGHT |
| Overall Outside Diameter | 22.00 MILLIMETERS NOMINAL MM |
| Load Direction | ANGULAR |
| Standard Tolerance Designation | ABEC NO.5 |
| Bore Diameter | 8.00 MILLIMETERS NOMINAL MM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 38HD PRIMARY | Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA) |
| MER-2280SD501DB12KMA5P58L01 PRIMARY | New Hampshire Ball Bearings Inc Div Precision Division (USA) |
| Reference | Meaning |
|---|---|
| M81793-PSSSBN04AH51AA0 | 5/9 Secondary reference U.S. Government activity |
| D81793-PSSSBN04AH51AA0 | 5/9 Secondary reference U.S. Government activity |
| 38HDB | 5/9 Secondary reference Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation |
NSN 3110-00-105-4100 is a Bearing,ball,duplex, manufactured by Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-105-4100 has 2 manufacturer part numbers on file: 38HD (Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation), MER-2280SD501DB12KMA5P58L01 (New Hampshire Ball Bearings Inc Div Precision Division).
Key specifications for 38HD: Surface Finish: GROUND; Bearing Preload Designation: LIGHT; Overall Width: 7.0 MILLIMETERS NOMINAL MM; Overall Outside Diameter: 22.00 MILLIMETERS NOMINAL MM. 6 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.
NSN 3110-00-105-4100 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.