The Bearing,ball,annular, cataloged under National Stock Number 3110-00-271-0181, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 8 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. 2 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 | 3110-00-271-0181 |
| Primary Part Number | 50865 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Internal Fit-Up Designation | STANDARD |
| Surface Finish | GROUND |
| Style Designator | LOADING GROOVE, NON-SEPARABLE |
| Overall Outside Diameter | 6.4997 INCHES MINIMUM AND 6.5007 INCHES MAXIMUM IN |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Bore Diameter | 5.4993 INCHES MINIMUM AND 5.5005 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 50865 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
NSN 3110-00-271-0181 is a Bearing,ball,annular, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-271-0181 has 1 manufacturer part number on file: 50865 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
2 possible matches (shared part number, not a government interchangeability claim): 5306-00-283-0407, 6115-01-696-6746. Verify interchangeability with system specifications before substitution.
Key specifications for 50865: Internal Fit-Up Designation: STANDARD; Surface Finish: GROUND; Style Designator: LOADING GROOVE, NON-SEPARABLE; Overall Width: 0.4990 INCHES MINIMUM AND 0.5050 INCHES MAXIMUM IN. 8 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 3110-00-271-0181 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.