The Bearing,ball,annular, cataloged under National Stock Number 3110-01-419-2220, 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 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-419-2220 |
| Primary Part Number | HDB 004-W129 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Mpb Corporation Dba Mpb Corp |
| Status | ACTIVE |
| Overall Outside Diameter | 1.4563 INCHES MINIMUM AND 1.4567 INCHES MAXIMUM IN |
| Bore Diameter | 0.7871 INCHES MINIMUM AND 0.7874 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 |
|---|---|
| HDB 004-W129 PRIMARY | Mpb Corporation Dba Mpb Corp (USA) |
| 1904SA3LOA06A65S299340 PRIMARY | Skf Usa Inc. (USA) |
| Reference | Meaning |
|---|---|
| HKR 004-128 | 5/9 Secondary reference Mpb Corporation Dba Mpb Corp |
| HDB 004-129 | 5/9 Secondary reference Mpb Corporation Dba Mpb Corp |
NSN 3110-01-419-2220 is a Bearing,ball,annular, manufactured by Mpb Corporation Dba Mpb Corp, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-419-2220 has 2 manufacturer part numbers on file: HDB 004-W129 (Mpb Corporation Dba Mpb Corp), 1904SA3LOA06A65S299340 (Skf Usa Inc.).
Key specifications for HDB 004-W129: Overall Width: 0.3493 INCHES MINIMUM AND 0.3543 INCHES MAXIMUM IN; Overall Outside Diameter: 1.4563 INCHES MINIMUM AND 1.4567 INCHES MAXIMUM IN; End Item Identification: T-38 ACFT; Bore Diameter: 0.7871 INCHES MINIMUM AND 0.7874 INCHES MAXIMUM IN. 2 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.