The Seat,bearing, cataloged under National Stock Number 3110-00-406-4147, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Schaeffler Group Usa Inc. Government technical data includes 4 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-406-4147 |
| Primary Part Number | TWC2233 |
| Item Name | Seat,bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Schaeffler Group Usa Inc |
| Status | ACTIVE |
| Style Designator | FLAT RACE SURFACE |
| Outside Diameter | 2.0620 INCHES NOMINAL IN |
| Bore Diameter | 1.3750 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| TWC2233 PRIMARY | Schaeffler Group Usa Inc (USA) |
| Reference | Meaning |
|---|---|
| 791-007-9061 | C/1 Advisory reference — outside the item-of-supply concept Moog Military Aircraft Llc |
| TRC2233 | 5/9 Secondary reference Timken Aerospace, Inc Dba Torrington Product |
| TWC2233 | 5/9 Secondary reference Ina Bearing Co Inc |
| 791-007-9061 | 5/9 Secondary reference Honeywell International Inc. Div Aerospace - Torrance |
| 3110PL1236821 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 3110-00-406-4147 is a Seat,bearing, manufactured by Schaeffler Group Usa Inc, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-406-4147 has 1 manufacturer part number on file: TWC2233 (Schaeffler Group Usa Inc).
Key specifications for TWC2233: Style Designator: FLAT RACE SURFACE; Overall Width: 0.0920 INCHES MINIMUM AND 0.0950 INCHES MAXIMUM IN; Outside Diameter: 2.0620 INCHES NOMINAL IN; Bore Diameter: 1.3750 INCHES NOMINAL IN. 4 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.