The Bearing,ball,airframe, cataloged under National Stock Number 3110-00-293-9225, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Sae International Dba Sae International. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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 | 3110-00-293-9225 |
| Primary Part Number | MS27646-42G |
| Item Name | Bearing,ball,airframe |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Bearing Seal Type | CONTACT |
| Outer Ring Width | 0.2500 INCHES NOMINAL IN |
| Style Designator | SINGLE ROW INNER RING EXTENDED BOTH SIDES |
| Overall Outside Diameter | 1.7500 INCHES NOMINAL IN |
| Load Direction | RADIAL |
| Surface Treatment | CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES |
| Seal Quantity | 2 |
| Standard Tolerance Designation | AFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS |
| Bore Diameter | 1.3125 INCHES NOMINAL IN |
| Material | STEEL OUTER RING |
| Material | STEEL INNER RING |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEAL |
| Material | STEEL BALL |
| Lubrication Material Document and Classification | MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE |
| Inner Ring Width | 0.2810 INCHES NOMINAL 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 |
|---|---|
| MS27646-42G PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| A566-322 | 5/1 Secondary reference L3 Technologies, Inc. Div L3 Keo |
| MS27646-42G | 5/9 Secondary reference U.S. Government activity |
| B542DDFS160 | 5/9 Secondary reference Timken Co Div the Timken Company |
| AS27646 | 3/1 Design control — primary reference Sae International Dba Sae International |
| 137-142-0702 | 5/1 Secondary reference Honeywell International Inc. Div Aerospace - Torrance |
| MS27646-42G | 5/9 Secondary reference U.S. Government activity |
| 8542DDFS160B | C/1 Advisory reference — outside the item-of-supply concept Timken Co Div the Timken Company |
| AS27646 | 5/9 Secondary reference U.S. Government activity |
NSN 3110-00-293-9225 is a Bearing,ball,airframe, manufactured by Sae International Dba Sae International, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-293-9225 has 1 manufacturer part number on file: MS27646-42G (Sae International Dba Sae International).
6 possible matches (shared part number, not a government interchangeability claim): 3110-00-508-3753, 3110-00-606-8956, 3110-00-626-5987. Verify interchangeability with system specifications before substitution.
Key specifications for MS27646-42G: Bearing Seal Type: CONTACT; Outer Ring Width: 0.2500 INCHES NOMINAL IN; Style Designator: SINGLE ROW INNER RING EXTENDED BOTH SIDES; Overall Outside Diameter: 1.7500 INCHES NOMINAL IN. 15 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.