The Bearing,ball,airframe, cataloged under National Stock Number 3110-01-112-6147, 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 18 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3110-01-112-6147 |
| Primary Part Number | MS27642-76 |
| Item Name | Bearing,ball,airframe |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Bearing Seal Type | CONTACT |
| Lubrication Material | GREASE |
| Outer Ring Width | 0.5310 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE EXPOSED SURFACES AS MOUNTED |
| Style Designator | SINGLE ROW INNER RING EXTENDED BOTH SIDES |
| Material Document and Classification | AMS 3652 ASSN STD 1ST MATERIAL RESPONSE OR AMS 3666 ASSN STD 2ND MATERIAL RESPONSE AND AMS 3666 ASSN STD 3RD MATERIAL RESPONSE SEAL |
| Overall Outside Diameter | 5.8125 INCHES NOMINAL IN |
| Load Direction | RADIAL |
| Surface Treatment | CADMIUM EXPOSED SURFACES AS MOUNTED |
| Seal Quantity | 2 |
| Standard Tolerance Designation | AFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS |
| Bore Diameter | 4.7500 INCHES NOMINAL IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE OR PLASTIC POLYTETRAFLUOROETHYLENE AND GLASS FIBER SEAL |
| Material | STEEL COMP 440C INNER RING |
| Material | STEEL COMP 440C RETAINER |
| Material | STEEL COMP E51100 OR STEEL COMP 440C BALL |
| Lubrication Material Document and Classification | MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE |
| Inner Ring Width | 0.5930 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 |
|---|---|
| MS27642-76 PRIMARY | Sae International Dba Sae International (USA) |
| KP76BFS464 | Industrial Tectonics Bearings Corporation Dba Rbc Bearings Inc Div Industrial Tectonics Bearings (USA) |
| MS27642-76 PRIMARY | Rbc Aircraft Products, Inc. (USA) |
| Reference | Meaning |
|---|---|
| KP76BFS464 | 5/9 Secondary reference Timken Co Div the Timken Company |
| MS27642-76 | 5/9 Secondary reference U.S. Government activity |
| MS27642-76 | 5/9 Secondary reference U.S. Government activity |
| KP76B | 5/9 Secondary reference Timken Co Div the Timken Company |
| AS27642 | 3/1 Design control — primary reference Sae International Dba Sae International |
| 10093307 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| AS27642 | 5/9 Secondary reference U.S. Government activity |
NSN 3110-01-112-6147 is a Bearing,ball,airframe, manufactured by Sae International Dba Sae International, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-112-6147 has 3 manufacturer part numbers on file: MS27642-76 (Sae International Dba Sae International), KP76BFS464 (Industrial Tectonics Bearings Corporation Dba Rbc Bearings Inc Div Industrial Tectonics Bearings), MS27642-76 (Rbc Aircraft Products, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 3110-01-115-1988, 3110-01-358-3692. Verify interchangeability with system specifications before substitution.
Key specifications for MS27642-76: Bearing Seal Type: CONTACT; Lubrication Material: GREASE; Outer Ring Width: 0.5310 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE EXPOSED SURFACES AS MOUNTED. 18 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.