The Bearing,ball,annular, cataloged under National Stock Number 3110-01-100-2086, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Mpb Corporation Dba Mpb Corp. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-100-2086 |
| Primary Part Number | 3TKR17-21ULO 2 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Mpb Corporation Dba Mpb Corp |
| Status | ACTIVE |
| Retainer Fabrication Method | MOLDED |
| Lubrication Material | LUBRICANT OR OIL LUBRICATING |
| Surface Finish | GROUND |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE BALL |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE INNER RACE |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OUTER RACE |
| Overall Outside Diameter | 1.3125 INCHES NOMINAL IN |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Standard Tolerance Designation | ABEC NO. 5T |
| Bore Diameter | 1.0625 INCHES NOMINAL IN |
| Material | STEEL COMP 440A BALL A |
| Material | STEEL COMP 440A INNER RACE A |
| Material | STEEL COMP 440A OUTER RACE A |
| Material | PLASTIC PHENOLIC SEPARATOR |
| Lubrication Material Document and Classification | MIL-L-6085 MIL SPEC 2ND 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 |
|---|---|
| 309-1271-010 | Rockwell Collins France Div Collins Aerospace - Avionics (FRA) |
| 3TKR17-21ULO 2 PRIMARY | Mpb Corporation Dba Mpb Corp (USA) |
NSN 3110-01-100-2086 is a Bearing,ball,annular, manufactured by Mpb Corporation Dba Mpb Corp, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-100-2086 has 2 manufacturer part numbers on file: 309-1271-010 (Rockwell Collins France Div Collins Aerospace - Avionics), 3TKR17-21ULO 2 (Mpb Corporation Dba Mpb Corp).
Key specifications for 3TKR17-21ULO 2: Retainer Fabrication Method: MOLDED; Lubrication Material: LUBRICANT OR OIL LUBRICATING; Surface Finish: GROUND; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE. 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.