The Ring,bearing,inner, cataloged under National Stock Number 3110-00-252-9620, 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7 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-252-9620 |
| Item Name | Ring,bearing,inner |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Status | ACTIVE |
| Surface Finish | GROUND |
| Style Designator | SOLID INNER RACE, JOURNAL AND NEEDLE |
| Overall Outside Diameter | 0.5620 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM IN |
| Bore Shape | STRAIGHT |
| Standard Tolerance Designation | AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS |
| Bore Diameter | 0.3745 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| MS17130-62 | 2/2 Government specification standardization U.S. Government activity |
| MS17130 | 4/1 Identification reference U.S. Government activity |
| IR612-OH | 5/1 Secondary reference Timken Aerospace, Inc Dba Torrington Product |
| IR612 | C/1 Advisory reference — outside the item-of-supply concept Timken Aerospace, Inc Dba Torrington Product |
| 16396 | C/1 Advisory reference — outside the item-of-supply concept Forenta Lp |
NSN 3110-00-252-9620 is a Ring,bearing,inner, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 5950-00-581-8662, 2530-01-157-1369, 5330-01-468-6320. Verify interchangeability with system specifications before substitution.
Key specifications for 3110-00-252-9620: Surface Finish: GROUND; Style Designator: SOLID INNER RACE, JOURNAL AND NEEDLE; Overall Width: 0.7550 INCHES MINIMUM AND 0.7600 INCHES MAXIMUM IN; Overall Outside Diameter: 0.5620 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM 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.