The Bearing, cataloged under National Stock Number 3110-01-021-3538, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Kalmar AC Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Bearing |
| FSC / FSG | 3110 — Bearings, Antifriction, Unmounted (FSG 31) |
| Manufacturers | Concentric Rockford Inc (CAGE 70763); Kalmar AC Inc (CAGE 0AHU0) |
| Parameter | Value |
|---|---|
| NSN | 3110-01-021-3538 |
| Primary Part Number | 4907389-3 |
| Item Name | Bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Kalmar AC Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
NSN 3110-01-021-3538 is a Bearing, manufactured by Kalmar AC Inc, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-021-3538 has 2 manufacturer part numbers on file: X3991 (Concentric Rockford Inc), 4907389-3 (Kalmar AC Inc).
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.