NSN 3110-00-470-3045 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-470-3045. Manufacturer of record part number: MR5310.
Smallest Outside Diameter: 2.5648 INCHES NOMINAL IN
Standard Tolerance Designation: RBEC NO.1
Bore Diameter: 50.0 MILLIMETERS NOMINAL MM
Material: STEEL OVERALL
Identification
NSN: 3110-00-470-3045
NIIN: 004703045
FSC: 3110 — Bearings, Antifriction, Unmounted
FSG: 31 — Bearings
Primary part number: MR5310
Manufacturer: Federal-Mogul Corp Government Sales Dept
General Description
The Ring,bearing,inner, cataloged under National Stock Number 3110-00-470-3045, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Federal-Mogul Corp Government Sales Dept. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Other items in FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937
BEARING,ROLLER,NEEDLE
3110-00-001-1937
BEARING,ROLLER,NEEDLE
3110-00-001-1937
BEARING,ROLLER,NEEDLE
3110-00-001-1938
BEARING,BALL,AIRFRAME
3110-00-001-4661
CONE AND ROLLERS,TAPERED ROLLER
3110-00-001-4662
CUP,TAPERED ROLLER BEARING
3110-00-001-4689
BEARING,BALL,ANNULAR
3110-00-001-4722
BEARING,BALL,ANNULAR
Frequently Asked Questions
What is NSN 3110-00-470-3045?
NSN 3110-00-470-3045 is a Ring,bearing,inner, manufactured by Federal-Mogul Corp Government Sales Dept, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
What part numbers are listed for NSN 3110-00-470-3045?
NSN 3110-00-470-3045 has 2 manufacturer part numbers on file: 156901H1 (Komatsu America Corp.), MR5310 (Federal-Mogul Corp Government Sales Dept).
What are the specifications of MR5310?
Key specifications for MR5310: Surface Finish: GROUND; Style Designator: INNER RING, ROLLER, SINGLE LIP; Overall Width: 1.7500 INCHES NOMINAL IN; Bore Shape: STRAIGHT. 7 specifications are documented in the U.S. Government catalog.
Is NSN 3110-00-470-3045 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.