The Bearing,ball,thrust, cataloged under National Stock Number 3110-00-620-2791, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-620-2791 |
| Primary Part Number | SB1600-1 |
| Item Name | Bearing,ball,thrust |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Surface Finish | GROUND |
| Style Designator | GROOVED RACE SURFACE, W/SEATING RING |
| Thrust Directional Capability Designation | DOUBLE |
| Overall Outside Diameter | 3.0638 INCHES MINIMUM AND 3.0709 INCHES MAXIMUM IN |
| Bore Smallest Diameter | 2.2803 INCHES MINIMUM AND 2.2866 INCHES MAXIMUM IN |
| Alignment Type | RIGID |
| Largest Bore Diameter | 2.0466 INCHES MINIMUM AND 2.0482 INCHES MAXIMUM IN |
| Standard Tolerance Designation | AFBMA STD TOLERANCE FOR THRUST BEARINGS |
| Material | STEEL COMP E52100 OVERALL |
| Seating Ring Outside Diameter | 3.2653 INCHES MINIMUM AND 3.2677 INCHES MAXIMUM IN |
| 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 |
|---|---|
| SB1600-1 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
NSN 3110-00-620-2791 is a Bearing,ball,thrust, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-620-2791 has 1 manufacturer part number on file: SB1600-1 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for SB1600-1: Retainer Fabrication Method: PRESSED; Overall Height: 1.0547 INCHES MINIMUM AND 1.0680 INCHES MAXIMUM IN; Surface Finish: GROUND; Style Designator: GROOVED RACE SURFACE, W/SEATING RING. 11 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.