The Bearing Ball Duplex, cataloged under National Stock Number 3110-01-562-9488, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Hansome Energy Systems Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-562-9488 |
| Primary Part Number | A-365-165 ITEM-23 |
| Item Name | Bearing Ball Duplex |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Hansome Energy Systems Inc |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | ANNUAL BALL BEARING FOR QUIET OPERATION APPLICATION TO SUBMARINE USAGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| A-365-165 ITEM-23 | Hansome Energy Systems Inc (USA) |
| A-326-165-23MNT | Naval Inventory Control Point Mechanicsburg (USA) |
| ESB 052-6NT | Naval Inventory Control Point Mechanicsburg (USA) |
| A-326-165-23/(MOD)ERH413-4404A31 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| LINE03-INCREASE PRELOAD T0 600LB | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| LINE02-M17931-A017 MODIFIED TO | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| LINE01-A-326-165-23 CAGE 51802 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| A-326-165-23/(MOD)ERH413-4404A31 | 5/1 Secondary reference U.S. Government activity |
| A-326-165-23M | 3/1 Design control — primary reference U.S. Government activity |
NSN 3110-01-562-9488 is a Bearing Ball Duplex, manufactured by Hansome Energy Systems Inc, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-562-9488 has 4 manufacturer part numbers on file: A-365-165 ITEM-23 (Hansome Energy Systems Inc), A-326-165-23MNT (Naval Inventory Control Point Mechanicsburg), ESB 052-6NT (Naval Inventory Control Point Mechanicsburg), A-326-165-23/(MOD)ERH413-4404A31 (Naval Inventory Control Point Mechanicsburg).
Key specifications for A-365-165 ITEM-23: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: ANNUAL BALL BEARING FOR QUIET OPERATION APPLICATION TO SUBMARINE USAGE. 2 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 3110-01-562-9488 has DEMIL Code B. 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.