The Ring,bearing,outer, cataloged under National Stock Number 3110-01-497-4644, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Ring,bearing,outer |
| FSC / FSG | 3110 — Bearings, Antifriction, Unmounted (FSG 31) |
| Manufacturers | Leonardo Spa Divisione Sistemi Di Difesa (CAGE A1140); Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (CAGE 78062); Schaeffler Group Usa Inc (CAGE 0AJV0) |
| Parameter | Value |
|---|---|
| NSN | 3110-01-497-4644 |
| Primary Part Number | 4102266-2 |
| Item Name | Ring,bearing,outer |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace |
| 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 |
|---|---|
| 725009121100 | Leonardo Spa Divisione Sistemi Di Difesa (ITA) |
| 4102266-2 PRIMARY | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA) |
| AS2542 PRIMARY | Schaeffler Group Usa Inc (USA) |
| Reference | Meaning |
|---|---|
| 4102442-1 FIND 16 | 5/9 Secondary reference Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
| 4102266-2 | 5/9 Secondary reference Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
| 4102442-1 | D/9 Drawing number reference only Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
| LS2542 | 5/9 Secondary reference Timken Aerospace, Inc Dba Torrington Product |
| 4102266 | 7/2 Vendor item drawing reference Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
| 4101106-1 FIND 68 | 5/9 Secondary reference Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
| 4101106-1 | D/9 Drawing number reference only Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
NSN 3110-01-497-4644 is a Ring,bearing,outer, manufactured by Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-497-4644 has 3 manufacturer part numbers on file: 725009121100 (Leonardo Spa Divisione Sistemi Di Difesa), 4102266-2 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), AS2542 (Schaeffler Group Usa Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5305-01-734-3084, 6105-01-736-1674. 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.