The Bearing,roller,cylindrical, cataloged under National Stock Number 3110-01-203-1702, 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 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3110-01-203-1702 |
| Primary Part Number | 3620377-1 |
| Item Name | Bearing,roller,cylindrical |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Mpb Corporation Dba Mpb Corp |
| Status | ACTIVE |
| Retainer Fabrication Method | MACHINED |
| Outer Ring Width | 0.5480 INCHES MINIMUM AND 0.5512 INCHES MAXIMUM IN |
| Locating Feature | NONLOCATING |
| Surface Finish | GROUND |
| Precious Material | SILVER |
| Style Designator | SINGLE ROW, TWO LIP OUTER RING, NO INNER RING, ROLLER RETAINMENT RINGS, NON-SEPARABLE |
| Overall Outside Diameter | 1.8502 INCHES MINIMUM AND 1.8504 INCHES MAXIMUM IN |
| Bore Shape | STRAIGHT |
| Precious Material and Location | SILVER PLATE SEPARATOR SILVER |
| Standard Tolerance Designation | RBEC NO.5 |
| Bore Diameter | 0.8998 INCHES MINIMUM AND 0.9003 INCHES MAXIMUM IN |
| Material | STEEL COMP M50 ROLLER |
| Material | COPPER ALLOY SEPARATOR |
| Material | STEEL COMP E52100 OUTER RING |
| 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 |
|---|---|
| 3620377-1 PRIMARY | Mpb Corporation Dba Mpb Corp (USA) |
| Reference | Meaning |
|---|---|
| 26RUSB303-19 | 5/1 Secondary reference Mpb Corporation Dba Mpb Corp |
| 3620377-1 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 3110-01-203-1702 is a Bearing,roller,cylindrical, manufactured by Mpb Corporation Dba Mpb Corp, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-203-1702 has 1 manufacturer part number on file: 3620377-1 (Mpb Corporation Dba Mpb Corp).
Key specifications for 3620377-1: Retainer Fabrication Method: MACHINED; Outer Ring Width: 0.5480 INCHES MINIMUM AND 0.5512 INCHES MAXIMUM IN; Locating Feature: NONLOCATING; Surface Finish: GROUND. 14 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.