The Bearing,ball,airframe, cataloged under National Stock Number 3110-01-042-7397, 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 26 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-042-7397 |
| Primary Part Number | MS27642-49G |
| 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 | 0.4690 INCHES NOMINAL IN |
| Internal Clearance | 0.0003 INCHES MINIMUM RADIAL AND 0.0015 INCHES MAXIMUM RADIAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 1,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE EXPOSED SURFACES AS MOUNTED |
| Shield Quantity | 2 |
| 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 SEAL |
| Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES BALL |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OUTER RING |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE INNER RING |
| Overall Outside Diameter | 4.0000 INCHES NOMINAL IN |
| Features Provided | ALIGNING RING |
| Load Direction | RADIAL |
| Alignment Type | RIGID |
| Surface Treatment | CADMIUM EXPOSED SURFACES AS MOUNTED |
| Seal Quantity | 2 |
| Standard Tolerance Designation | AFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS |
| Bore Diameter | 3.0630 INCHES NOMINAL IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE OR PLASTIC POLYTETRAFLUOROETHYLENE AND GLASS FIBER SEAL |
| Material | STEEL COMP E52100 OUTER RING |
| Material | STEEL COMP E51100 OR STEEL COMP E52100 BALL |
| Material | STEEL COMP E52100 INNER RING |
| Material | STEEL CORROSION RESISTING SHIELD |
| Lubrication Material Document and Classification | MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE |
| Inner Ring Width | 0.5310 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 |
|---|---|
| MS27642-49G PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| 7KP49B | 5/9 Secondary reference Quad Systems Inc |
| MS27642-49G | 5/9 Secondary reference U.S. Government activity |
| AS7949 | 3/1 Design control — primary reference Sae International Dba Sae International |
| LLKP-49-B | 5/9 Secondary reference Skf Usa Inc. |
| MS27642-49G | 5/9 Secondary reference U.S. Government activity |
| KP49B E-9273 | 5/9 Secondary reference Timken Co Div the Timken Company |
| BACB10A557 | 5/9 Secondary reference U.S. Government activity |
| AS7949 | 5/9 Secondary reference U.S. Government activity |
NSN 3110-01-042-7397 is a Bearing,ball,airframe, manufactured by Sae International Dba Sae International, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-042-7397 has 1 manufacturer part number on file: MS27642-49G (Sae International Dba Sae International).
Key specifications for MS27642-49G: Bearing Seal Type: CONTACT; Lubrication Material: GREASE; Outer Ring Width: 0.4690 INCHES NOMINAL IN; Internal Clearance: 0.0003 INCHES MINIMUM RADIAL AND 0.0015 INCHES MAXIMUM RADIAL IN. 26 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.