The Bearing,ball,annular, cataloged under National Stock Number 3110-01-178-1624, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3110-01-178-1624 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Status | ACTIVE |
| Lubrication Material | GREASE |
| Outer Ring Width | 0.9375 INCHES NOMINAL IN |
| Internal Fit-Up Designation | STANDARD |
| Surface Finish | GROUND |
| Shield Quantity | 2 |
| Style Designator | NON-SEPARABLE |
| Overall Outside Diameter | 2.5000 INCHES NOMINAL IN |
| Features Provided | LUBRICATION HOLE AND LUBRICATION GROOVE |
| Bore Shape | STRAIGHT |
| Load Direction | ANGULAR |
| Alignment Type | RIGID |
| Internal Fit-Up Contact Angular Direction | OUTWARD CONVERGENT |
| Standard Tolerance Designation | ABEC NO.1 |
| Bore Diameter | 0.5000 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Inner Ring Width | 1.0625 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 23-1021-00 | 3/9 Design control — primary reference Tc/american Monorail, Inc. Dba Chukar Waterjet Div Jet Edge |
| ME-204-17A | 5/9 Secondary reference Tc/american Monorail, Inc. Dba Chukar Waterjet Div Jet Edge |
NSN 3110-01-178-1624 is a Bearing,ball,annular, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4820-01-416-2433. Verify interchangeability with system specifications before substitution.
Key specifications for 3110-01-178-1624: Lubrication Material: GREASE; Outer Ring Width: 0.9375 INCHES NOMINAL IN; Internal Fit-Up Designation: STANDARD; Surface Finish: GROUND. 16 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.