NSN 3110-00-121-2371 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-121-2371. Manufacturer of record part number: MRB1314.
Overall Outside Diameter: 3.5104 INCHES NOMINAL IN
Bore Shape: STRAIGHT
Bore Diameter: 2.7552 INCHES NOMINAL IN
Material: STEEL OVERALL
2 manufacturer part numbers on file
Identification
NSN: 3110-00-121-2371
NIIN: 001212371
FSC: 3110 — Bearings, Antifriction, Unmounted
FSG: 31 — Bearings
Primary part number: MRB1314
Manufacturer: Federal-Mogul Corp Government Sales Dept
General Description
The Ring,bearing,inner, cataloged under National Stock Number 3110-00-121-2371, 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 6 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. 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 3110-00-121-2371?
NSN 3110-00-121-2371 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 3110-00-121-2371?
NSN 3110-00-121-2371 has 2 manufacturer part numbers on file: 9M5606 (Caterpillar Inc Div Caterpillar Defense), MRB1314 (Federal-Mogul Corp Government Sales Dept).
What are the specifications of MRB1314?
Key specifications for MRB1314: Surface Finish: GROUND; Style Designator: INNER RING, ROLLER, CYLINDRICAL; Overall Width: 1.3780 INCHES NOMINAL IN; Overall Outside Diameter: 3.5104 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.
Is NSN 3110-00-121-2371 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.