The Bearing,ball,annular, cataloged under National Stock Number 3110-01-309-4247, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Western Sky Industries Inc Dba Electromech Techologies. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-309-4247 |
| Primary Part Number | B1-021450-202 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Western Sky Industries Inc Dba Electromech Techologies |
| Status | ACTIVE |
| Lubrication Material | GREASE |
| Shield Quantity | 2 |
| Lubrication Material Document and Classification | MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE |
| 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 |
|---|---|
| B1-021450-202 PRIMARY | Western Sky Industries Inc Dba Electromech Techologies (USA) |
| Reference | Meaning |
|---|---|
| 55-25450 PIECE 6 | 5/9 Secondary reference Western Sky Industries Inc Dba Electromech Techologies |
NSN 3110-01-309-4247 is a Bearing,ball,annular, manufactured by Western Sky Industries Inc Dba Electromech Techologies, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-309-4247 has 1 manufacturer part number on file: B1-021450-202 (Western Sky Industries Inc Dba Electromech Techologies).
Key specifications for B1-021450-202: Lubrication Material: GREASE; Shield Quantity: 2; Special Features: SUPER CONRAD BEARINGS; TOLERANCES ABEC-1; HEAT STABILIZED TO 250 DEGREES F; I.D. 15MM; O.D. 35MM; W 11MM; BRG SIZE 202; LOOSE INTERNAL CLEARANCE PER AFBMA 3 MM; Part Name Assigned by Controlling Agency: BEARINGS FOR AEROSPACE MOTORS. 3 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.