The Bearing,ball,annular, cataloged under National Stock Number 3110-00-109-1103, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is General Motors Corp. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3110-00-109-1103 |
| Primary Part Number | 993L03 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | General Motors Corp |
| Status | ACTIVE |
| Bearing Seal Type | CONTACT |
| Lubrication Material | GREASE |
| Internal Fit-Up Designation | STANDARD |
| Surface Finish | GROUND |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Overall Outside Diameter | 35.00 MILLIMETERS NOMINAL MM |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Seal Quantity | 2 |
| Standard Tolerance Designation | ABEC NO.1 |
| Bore Diameter | 17.00 MILLIMETERS NOMINAL MM |
| Material | STEEL OUTER RING |
| Material | STEEL INNER RING |
| Material | RUBBER SYNTHETIC SEAL |
| Material | STEEL RETAINER |
| Material | STEEL BALL |
| Lubrication Material Document and Classification | MIL-G-18709 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 |
|---|---|
| D300336-2 | Control Flow, Inc. Dba Control Flow Inc (USA) |
| 993L03 PRIMARY | General Motors Corp (USA) |
| 6003-2RS PRIMARY | Skf Usa Inc. (USA) |
| 103KSZZ PRIMARY | Skf Usa Inc. (USA) |
| Reference | Meaning |
|---|---|
| US2522 | 5/9 Secondary reference Warwick Electronics Inc |
| 1601160 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 993L03 | 5/9 Secondary reference General Motors Corp Delco Moraine Ndh Div |
| D300336-2 | 5/9 Secondary reference Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division |
| 3110001091103 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 12Z369-166 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Z993L03 | 5/9 Secondary reference General Motors Corp Delco Moraine Ndh Div |
| 322063-1 | 5/2 Secondary reference U.S. Government activity |
NSN 3110-00-109-1103 is a Bearing,ball,annular, manufactured by General Motors Corp, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-109-1103 has 4 manufacturer part numbers on file: D300336-2 (Control Flow, Inc. Dba Control Flow Inc), 993L03 (General Motors Corp), 6003-2RS (Skf Usa Inc.), 103KSZZ (Skf Usa Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 3110-00-756-2637, 3110-01-722-4718. Verify interchangeability with system specifications before substitution.
Key specifications for 993L03: Bearing Seal Type: CONTACT; Lubrication Material: GREASE; Internal Fit-Up Designation: STANDARD; Surface Finish: GROUND. 17 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.