The Bearing,ball,annular, cataloged under National Stock Number 3110-00-731-4271, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Raytheon Company. Government technical data includes 17 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-731-4271 |
| Primary Part Number | 108861-7 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Raytheon Company |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Internal Clearance | 0.0002 INCHES MINIMUM RADIAL AND 0.0004 INCHES MAXIMUM RADIAL IN |
| Flange Outside Diameter | 0.3580 INCHES MINIMUM AND 0.3590 INCHES MAXIMUM IN |
| Surface Finish | GROUND |
| Shield Quantity | 1 |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Flange Width | 0.0290 INCHES MINIMUM AND 0.0310 INCHES MAXIMUM IN |
| Outer Ring Outside Diameter | 0.3123 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN |
| Standard Tolerance Designation | ABEC NO.5 |
| Bore Diameter | 0.1248 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM IN |
| Material | STEEL OUTER RING |
| Material | STEEL INNER RING |
| Material | STEEL CORROSION RESISTING RETAINER |
| Material | STEEL BALL |
| Material | STEEL CORROSION RESISTING SHIELD |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 108861-7 PRIMARY | Raytheon Company (USA) |
NSN 3110-00-731-4271 is a Bearing,ball,annular, manufactured by Raytheon Company, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-731-4271 has 1 manufacturer part number on file: 108861-7 (Raytheon Company).
Key specifications for 108861-7: Retainer Fabrication Method: PRESSED; Internal Clearance: 0.0002 INCHES MINIMUM RADIAL AND 0.0004 INCHES MAXIMUM RADIAL IN; Flange Outside Diameter: 0.3580 INCHES MINIMUM AND 0.3590 INCHES MAXIMUM IN; Surface Finish: GROUND. 17 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.
NSN 3110-00-731-4271 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.