The Ball Joint, cataloged under National Stock Number 3040-01-107-9198, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Timken Aurora Bearing Company. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-107-9198 |
| Primary Part Number | CW-4S |
| Item Name | Ball Joint |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Timken Aurora Bearing Company |
| Status | ACTIVE |
| Ball End Connection Thread Provision | THREADED |
| Length | 1.687 INCHES NOMINAL IN |
| Ball End Thread Size and Series/type Designator | 1/4-28 UNF |
| Ball End Thread Direction | RIGHT |
| Socket End Connection Thread Provision | THREADED |
| Style Designator | SINGLE, RIGHT ANGLE, PLUGGED |
| Socket End Thread Direction | RIGHT |
| Height | 1.031 INCHES NOMINAL IN |
| Socket End Thread Location | EXTERNAL |
| Material | STEEL |
| Ball End Thread Location | INTERNAL |
| Socket End Thread Size and Series/type Designator | 1/4-28 UNF |
| 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 |
|---|---|
| 402908 | Hobart Brothers Llc (USA) |
| CW-4S PRIMARY | Timken Aurora Bearing Company (USA) |
| TF-4Y PRIMARY | Morse Industrial Corp Sealmaster Bearing Div Sub of Emerson Electric Co (USA) |
| 402908 PRIMARY | Hobart Bros Co (USA) |
| Reference | Meaning |
|---|---|
| TF-4Y | 5/9 Secondary reference Stephens-Adamson Inc a Sub of Allis-Chalmers Corp |
NSN 3040-01-107-9198 is a Ball Joint, manufactured by Timken Aurora Bearing Company, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-107-9198 has 4 manufacturer part numbers on file: 402908 (Hobart Brothers Llc), CW-4S (Timken Aurora Bearing Company), TF-4Y (Morse Industrial Corp Sealmaster Bearing Div Sub of Emerson Electric Co), 402908 (Hobart Bros Co).
Key specifications for CW-4S: Ball End Connection Thread Provision: THREADED; Length: 1.687 INCHES NOMINAL IN; Ball End Thread Size and Series/type Designator: 1/4-28 UNF; Ball End Thread Direction: RIGHT. 12 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.