The Bearing,ball,thrust, cataloged under National Stock Number 3110-01-346-2732, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Rmb Miniature Bearings Inc. Government technical data includes 9 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. 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 | 3110-01-346-2732 |
| Primary Part Number | B920 |
| Item Name | Bearing,ball,thrust |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Rmb Miniature Bearings Inc |
| Status | ACTIVE |
| Surface Finish | GROUNDGROUND |
| Style Designator | FLAT RACE SURFACE, IN LINE BALL RETAINERFLAT RACE SURFACE, IN LINE BALL RETAINER |
| Thrust Directional Capability Designation | SINGLESINGLE |
| Overall Outside Diameter | 0.7874 INCHES NOMINAL0.7874 INCHES NOMINAL IN |
| Specification/standard Data | 59750-B920 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION59750-B920 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION |
| Bore Smallest Diameter | 0.3543 INCHES NOMINAL0.3543 INCHES NOMINAL IN |
| Alignment Type | SELF-ALIGNINGSELF-ALIGNING |
| Largest Bore Diameter | 0.3622 INCHES NOMINAL0.3622 INCHES NOMINAL IN |
| Self-Alignment Location | INTERNALINTERNAL |
| 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 |
|---|---|
| B920 PRIMARY | Rmb Miniature Bearings Inc (USA) |
NSN 3110-01-346-2732 is a Bearing,ball,thrust, manufactured by Rmb Miniature Bearings Inc, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-346-2732 has 1 manufacturer part number on file: B920 (Rmb Miniature Bearings Inc).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-519-0911. Verify interchangeability with system specifications before substitution.
Key specifications for B920: Overall Height: 0.2756 INCHES NOMINAL0.2756 INCHES NOMINAL IN; Surface Finish: GROUNDGROUND; Style Designator: FLAT RACE SURFACE, IN LINE BALL RETAINERFLAT RACE SURFACE, IN LINE BALL RETAINER; Thrust Directional Capability Designation: SINGLESINGLE. 9 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.