The Bearing,ball,airframe, cataloged under National Stock Number 3110-01-227-6484, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Mpb Corp Div Timken Super Precision. 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-227-6484 |
| Primary Part Number | 920246-002 |
| Item Name | Bearing,ball,airframe |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Mpb Corp Div Timken Super Precision |
| Status | ACTIVE |
| Outer Ring Width | 0.2490 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN |
| Style Designator | SINGLE ROW INNER RING EXTENDED BOTH SIDES |
| Overall Outside Diameter | 1.0623 INCHES MINIMUM AND 1.0625 INCHES MAXIMUM IN |
| Load Direction | RADIAL |
| Bore Diameter | 0.6247 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN |
| Material | STEEL COMP E52100 OVERALL |
| Inner Ring Width | 0.2802 INCHES MINIMUM AND 0.2812 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 920246-002 PRIMARY | Mpb Corp Div Timken Super Precision (USA) |
| 920246-002 | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| Reference | Meaning |
|---|---|
| 920246-002 | 1/2 Source control — Government-approved source U.S. Government activity |
| 920246-002 | 3/2 Design control — primary reference U.S. Government activity |
| SR538T8K46A7/7 | 5/1 Secondary reference U.S. Government activity |
| 920246-002 | 5/9 Secondary reference Moog Inc Div Moog Inc., Space and Defense - Salt Lake City |
| S1017STE7P46L01 | 5/1 Secondary reference Mpb Corp Div Timken Super Precision |
NSN 3110-01-227-6484 is a Bearing,ball,airframe, manufactured by Mpb Corp Div Timken Super Precision, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-227-6484 has 2 manufacturer part numbers on file: 920246-002 (Mpb Corp Div Timken Super Precision), 920246-002 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).
1 possible match (shared part number, not a government interchangeability claim): 7025-01-672-8463. Verify interchangeability with system specifications before substitution.
Key specifications for 920246-002: Outer Ring Width: 0.2490 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN; Style Designator: SINGLE ROW INNER RING EXTENDED BOTH SIDES; Overall Outside Diameter: 1.0623 INCHES MINIMUM AND 1.0625 INCHES MAXIMUM IN; Load Direction: RADIAL. 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.