The Bearing,ball,annular, cataloged under National Stock Number 3110-01-131-2987, 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 20 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-131-2987 |
| Primary Part Number | 3TKMDD10-14ULO2 |
| 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 | OIL |
| Internal Fit-Up Designation | STANDARD |
| Surface Finish | GROUND |
| Shield Quantity | 2 |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE BALL |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OUTER RING |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE INNER RING |
| Overall Outside Diameter | 0.8750 INCHES NOMINAL IN |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Standard Tolerance Designation | ABEC NO. 5T |
| Bore Diameter | 0.6250 INCHES NOMINAL IN |
| Material | STEEL COMP 440C INNER RING |
| Material | PLASTIC POLYAMIDE NYLON RETAINER |
| Material | STEEL COMP 440C OUTER RING |
| Material | STEEL COMP 440C BALL |
| Material | STEEL CORROSION RESISTING SHIELD |
| Lubrication Material Document and Classification | MIL-L-6085 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 |
|---|---|
| 3TKMDD10-14ULO2 PRIMARY | Mpb Corporation Dba Mpb Corp (USA) |
| Reference | Meaning |
|---|---|
| 2802648-1 | 5/9 Secondary reference Leonardo Mw Ltd |
| 2802648-1 | 7/2 Vendor item drawing reference Honeywell Intl Inc Defense Avionics Systems |
NSN 3110-01-131-2987 is a Bearing,ball,annular, manufactured by Mpb Corporation Dba Mpb Corp, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-131-2987 has 1 manufacturer part number on file: 3TKMDD10-14ULO2 (Mpb Corporation Dba Mpb Corp).
Key specifications for 3TKMDD10-14ULO2: Retainer Fabrication Method: MOLDED; Lubrication Material: OIL; Internal Fit-Up Designation: STANDARD; Surface Finish: GROUND. 20 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.