NSN 3110-01-686-3404 · NIIN 016863404 · Part number 3311 A-2RS1/C3
Skf Usa Inc. · FSC 3110 — Bearings, Antifriction, Unmounted · FSG 31 — Bearings · CAGE 52676
Government record, cited
NSN 3110-01-686-3404 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-686-3404. Manufacturer of record part number: 3311 A-2RS1/C3.
Overall Outside Diameter: 120.0 MILLIMETERS NOMINAL MM
Bore Diameter: 55.0 MILLIMETERS NOMINAL MM
2 manufacturer part numbers on file
Manufacturer of record: Skf Usa Inc.
Identification
NSN: 3110-01-686-3404
NIIN: 016863404
FSC: 3110 — Bearings, Antifriction, Unmounted
FSG: 31 — Bearings
Primary part number: 3311 A-2RS1/C3
Manufacturer: Skf Usa Inc.
General Description
The Bearing,ball,annular, cataloged under National Stock Number 3110-01-686-3404, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Skf Usa Inc.. 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. 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 3110-01-686-3404?
NSN 3110-01-686-3404 is a Bearing,ball,annular, manufactured by Skf Usa Inc., classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
What part numbers are listed for NSN 3110-01-686-3404?
NSN 3110-01-686-3404 has 2 manufacturer part numbers on file: 3311 A-2RS1/C3 (Skf Usa Inc.), 23431-312 (The Gorman-Rupp Company Div Gorman-Rupp).
What are the specifications of 3311 A-2RS1/C3?
Key specifications for 3311 A-2RS1/C3: Overall Width: 49.2 MILLIMETERS NOMINAL MM; Overall Outside Diameter: 120.0 MILLIMETERS NOMINAL MM; Part Name Assigned by Controlling Agency: ANGULAR CONTACT BALL BEARING; End Item Identification: 4610-01-488-6961. 2 specifications are documented in the U.S. Government catalog.
Is NSN 3110-01-686-3404 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.