The Bearing,ball,airframe, cataloged under National Stock Number 3110-00-159-1606, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Kilian Manufacturing Corporation. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-159-1606 |
| Primary Part Number | UK6A1 |
| Item Name | Bearing,ball,airframe |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Kilian Manufacturing Corporation |
| Status | ACTIVE |
| Lubrication Material | GREASE |
| Outer Ring Width | 0.2500 INCHES NOMINAL IN |
| Shield Quantity | 2 |
| Style Designator | SINGLE ROW INNER RING EXTENDED BOTH SIDES |
| Overall Outside Diameter | 0.8750 INCHES NOMINAL IN |
| Load Direction | RADIAL |
| Surface Treatment | CADMIUM EXPOSED SURFACES AS MOUNTED |
| Surface Treatment | CADMIUM SHIELD |
| Bore Diameter | 0.3750 INCHES NOMINAL IN |
| Material | STEEL OUTER RING |
| Material | STEEL INNER RING |
| Material | STEEL CORROSION RESISTING OR STEEL SHIELD |
| Material | STEEL BALL |
| Lubrication Material Document and Classification | ANDOK C,HUMBLE OIL AND REFINING CO MFR REF SINGLE MATERIAL RESPONSE |
| Inner Ring Width | 0.3130 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 |
|---|---|
| UK6A1 PRIMARY | Kilian Manufacturing Corporation (USA) |
NSN 3110-00-159-1606 is a Bearing,ball,airframe, manufactured by Kilian Manufacturing Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-159-1606 has 1 manufacturer part number on file: UK6A1 (Kilian Manufacturing Corporation).
Key specifications for UK6A1: Lubrication Material: GREASE; Outer Ring Width: 0.2500 INCHES NOMINAL IN; Shield Quantity: 2; Style Designator: SINGLE ROW INNER RING EXTENDED BOTH SIDES. 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.