The Bearing,ball,annular, cataloged under National Stock Number 3110-00-078-0243, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 17 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-078-0243 |
| Primary Part Number | 8436873-4 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| 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 | 2.5000 INCHES NOMINAL IN |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Seal Quantity | 2 |
| Standard Tolerance Designation | ABEC NO.1 |
| Bore Diameter | 1.3750 INCHES NOMINAL IN |
| 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-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 |
|---|---|
| 8436873-4 | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
| Reference | Meaning |
|---|---|
| Z99R22X1E | 5/9 Secondary reference General Motors Corp Delco Moraine Ndh Div |
| 64A62C17 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| FF-B-171 | 4/1 Identification reference U.S. Government activity |
| Z99R22XR1CJ | 5/9 Secondary reference General Motors Corp Delco Moraine Ndh Div |
NSN 3110-00-078-0243 is a Bearing,ball,annular, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-078-0243 has 1 manufacturer part number on file: 8436873-4 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 8436873-4: 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.