The Ring,bearing,inner, cataloged under National Stock Number 3110-00-677-2200, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-677-2200 |
| Item Name | Ring,bearing,inner |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Status | ACTIVE |
| Surface Finish | GROUND |
| Style Designator | INNER RING, ROLLER, CYLINDRICAL |
| Material Document and Classification | SAE ASSN STD ALL MATERIAL RESPONSES OR AISI ASSN STD ALL MATERIAL RESPONSES OR 66 FED STD ALL MATERIAL RESPONSES SEPARATOR SLUG |
| Overall Outside Diameter | 0.9988 INCHES MINIMUM AND 0.9993 INCHES MAXIMUM IN |
| Bore Shape | STRAIGHT |
| Bore Diameter | 0.7496 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN |
| Material | STEEL COMP E52100 OR STEEL COMP 4620 OR STEEL COMP 4720 OR STEEL COMP 8620 OR STEEL COMP 8720 OR STEEL COMP 1018 OR STEEL COMP 1022 OR STEEL COMP 1117 SEPARATOR SLUG |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 1R121612 | C/1 Advisory reference — outside the item-of-supply concept Timken Aerospace, Inc Dba Torrington Product |
| IR-121612 | 5/1 Secondary reference Timken Aerospace, Inc Dba Torrington Product |
| MS51962-5 | 2/2 Government specification standardization U.S. Government activity |
NSN 3110-00-677-2200 is a Ring,bearing,inner, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
Key specifications for 3110-00-677-2200: Surface Finish: GROUND; Style Designator: INNER RING, ROLLER, CYLINDRICAL; Material Document and Classification: SAE ASSN STD ALL MATERIAL RESPONSES OR AISI ASSN STD ALL MATERIAL RESPONSES OR 66 FED STD ALL MATERIAL RESPONSES SEPARATOR SLUG; Overall Width: 0.7600 INCHES NOMINAL IN. 7 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.