The Bearing,ball,annular, cataloged under National Stock Number 3110-01-030-4306, 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 23 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-030-4306 |
| Primary Part Number | 3HKTZZ107-B205 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Mpb Corporation Dba Mpb Corp |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Bearing Seal Type | CONTACT |
| Lubrication Material | GREASE |
| Internal Clearance | 0.0008 INCHES MINIMUM RADIAL AND 0.0012 INCHES MAXIMUM RADIAL IN |
| Surface Finish | GROUND |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Material Document and Classification | 204-040-623-5,97499 MFR REF SINGLE MATERIAL RESPONSE AND AISIC1008 ASSN STD SINGLE MATERIAL RESPONSE SEAL |
| Material Document and Classification | AISI 440C ASSN STD SINGLE MATERIAL RESPONSE BALL |
| Material Document and Classification | AISI 440C ASSN STD SINGLE MATERIAL RESPONSE INNER RING |
| Material Document and Classification | AISI 440C ASSN STD SINGLE MATERIAL RESPONSE OUTER RING |
| Material Document and Classification | AISI C1008 ASSN STD SINGLE MATERIAL RESPONSE RETAINER |
| Overall Outside Diameter | 62.0 MILLIMETERS NOMINAL MM |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Seal Quantity | 2 |
| Standard Tolerance Designation | ABEC NO.3 |
| Bore Diameter | 35.0 MILLIMETERS NOMINAL MM |
| Material | STEEL COMP 440C INNER RING |
| Material | STEEL COMP 440C OUTER RING |
| Material | STEEL COMP 1008 RETAINER |
| Material | STEEL COMP 440C BALL |
| Material | RUBBER AND STEEL COMP 1008 SEAL |
| Lubrication Material Document and Classification | MIL-G-81322 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 | F |
| Part Number | Manufacturer |
|---|---|
| 204-040-623-111 | Leonardo Spa Helicopters Division - Production Site (ITA) |
| 3HKTZZ107-B205 PRIMARY | Mpb Corporation Dba Mpb Corp (USA) |
| Reference | Meaning |
|---|---|
| 204-040-623-5 | 3/9 Design control — primary reference Mpb Corporation Dba Mpb Corp |
| PAM9107NPPC1A2702S8 | 5/9 Secondary reference Timken Co Div the Timken Company |
| 3HKTZZ107-205 | 5/1 Secondary reference Mpb Corporation Dba Mpb Corp |
| PAM9107NPP-A2702 | 5/9 Secondary reference Timken Co Div the Timken Company |
| 204-040-623-5 | 1/2 Source control — Government-approved source U.S. Government activity |
| 204-040-623-111 | 5/1 Secondary reference U.S. Government activity |
| 204-040-623-005 | 5/9 Secondary reference U.S. Government activity |
NSN 3110-01-030-4306 is a Bearing,ball,annular, manufactured by Mpb Corporation Dba Mpb Corp, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-030-4306 has 2 manufacturer part numbers on file: 204-040-623-111 (Leonardo Spa Helicopters Division - Production Site), 3HKTZZ107-B205 (Mpb Corporation Dba Mpb Corp).
Key specifications for 3HKTZZ107-B205: Retainer Fabrication Method: PRESSED; Bearing Seal Type: CONTACT; Lubrication Material: GREASE; Internal Clearance: 0.0008 INCHES MINIMUM RADIAL AND 0.0012 INCHES MAXIMUM RADIAL IN. 23 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.