The Bearing,ball,airframe, cataloged under National Stock Number 3110-01-308-4858, 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 20 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-308-4858 |
| Primary Part Number | MS27648-16G |
| Item Name | Bearing,ball,airframe |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Lubrication Material | GREASE |
| Outer Ring Width | 0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN |
| Internal Clearance | 0.0003 INCHES MINIMUM RADIAL AND 0.0010 INCHES MAXIMUM RADIAL IN |
| Style Designator | SINGLE ROW SELF ALIGNING SINGLE ROW INNER RING EXTENDED BOTH SIDES |
| 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 |
| Material Document and Classification | AMS3652 ASSN STD 1ST MATERIAL RESPONSE OR AMS3666 ASSN STD 2ND MATERIAL RESPONSE SEAL |
| Overall Outside Diameter | 1.9365 INCHES MINIMUM AND 1.9375 INCHES MAXIMUM IN |
| Features Provided | EXTRA LIGHT DUTY SERIES |
| Load Direction | RADIAL |
| Alignment Type | SELF-ALIGNING |
| Bore Diameter | 0.9990 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEAL |
| Material | STEEL COMP E52100 OUTER RING |
| Material | STEEL COMP E51100 OR STEEL COMP E52100 BALL |
| Material | STEEL COMP E52100 INNER RING |
| Self-Alignment Location | EXTERNAL |
| Lubrication Material Document and Classification | MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE |
| Inner Ring Width | 0.4320 INCHES MINIMUM AND 0.4370 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 |
|---|---|
| MS27648-16G PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| MS27648-16G | 5/9 Secondary reference U.S. Government activity |
| AS27648 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 3110-01-308-4858 is a Bearing,ball,airframe, manufactured by Sae International Dba Sae International, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-308-4858 has 1 manufacturer part number on file: MS27648-16G (Sae International Dba Sae International).
Key specifications for MS27648-16G: Lubrication Material: GREASE; Outer Ring Width: 0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN; Internal Clearance: 0.0003 INCHES MINIMUM RADIAL AND 0.0010 INCHES MAXIMUM RADIAL IN; Style Designator: SINGLE ROW SELF ALIGNING SINGLE ROW INNER RING EXTENDED BOTH SIDES. 20 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.