The Bearing,ball,annular, cataloged under National Stock Number 3110-00-151-8161, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation. The record lists 2 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 — Bearings, Antifriction, Unmounted (FSG 31) |
| Manufacturers | Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (CAGE 70854); Northrop Grumman Systems Corporation (CAGE 03956) |
| Parameter | Value |
|---|---|
| NSN | 3110-00-151-8161 |
| Primary Part Number | R4Z5VLC0-110 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation |
| Status | ACTIVE |
| 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 |
|---|---|
| R4Z5VLC0-110 PRIMARY | Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA) |
| 205596 | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| SR4DZF1378J9 | 5/9 Secondary reference General Motors Corp |
| R4Z5VLC-0-11 | C/1 Advisory reference — outside the item-of-supply concept Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation |
| 205596 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
| R4-ZZRA7CXXP58T | C/1 Advisory reference — outside the item-of-supply concept New Hampshire Ball Bearings Inc Div Precision Division |
| SR4DZF1378J9 | 5/9 Secondary reference General Motors Corp Delco Moraine Ndh Div |
NSN 3110-00-151-8161 is a Bearing,ball,annular, manufactured by Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-151-8161 has 2 manufacturer part numbers on file: R4Z5VLC0-110 (Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation), 205596 (Northrop Grumman Systems Corporation).
1 possible match (shared part number, not a government interchangeability claim): 6850-01-258-9600. Verify interchangeability with system specifications before substitution.
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.