The Bearing,ball,annular, cataloged under National Stock Number 3110-00-293-9591, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Heligear Acquisition Co. Dba Northstar Aerospace, Inc.. Government technical data includes 14 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-293-9591 |
| Primary Part Number | 419021 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Heligear Acquisition Co. Dba Northstar Aerospace, Inc. |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Lubrication Material | GREASE |
| Internal Fit-Up Designation | STANDARD |
| Surface Finish | GROUND |
| Shield Quantity | 2 |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Overall Outside Diameter | 55.00 MILLIMETERS NOMINAL MM |
| Features Provided | SNAP RING-GROOVE MOUNTING AND MOUNTING GROOVE |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Standard Tolerance Designation | ABEC NO.1 |
| Bore Diameter | 30.00 MILLIMETERS NOMINAL MM |
| Material | STEEL OVERALL |
| Lubrication Material Document and Classification | MIL-G-23827 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 |
|---|---|
| 419021 PRIMARY | Heligear Acquisition Co. Dba Northstar Aerospace, Inc. (USA) |
| 4773L06X1784E PRIMARY | General Motors Llc Dba General Motors Llc (USA) |
| Reference | Meaning |
|---|---|
| 4773L06X1784CJ | 5/9 Secondary reference General Motors Corp Delco Moraine Ndh Div |
| 4773L06X1784E | 5/9 Secondary reference General Motors Corp |
| 4773L06X1784E | 5/9 Secondary reference General Motors Corp Delco Moraine Ndh Div |
NSN 3110-00-293-9591 is a Bearing,ball,annular, manufactured by Heligear Acquisition Co. Dba Northstar Aerospace, Inc., classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-293-9591 has 2 manufacturer part numbers on file: 419021 (Heligear Acquisition Co. Dba Northstar Aerospace, Inc.), 4773L06X1784E (General Motors Llc Dba General Motors Llc).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-228-0045. Verify interchangeability with system specifications before substitution.
Key specifications for 419021: Retainer Fabrication Method: PRESSED; Lubrication Material: GREASE; Internal Fit-Up Designation: STANDARD; Surface Finish: GROUND. 14 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.