The Ball Joint, cataloged under National Stock Number 3040-01-673-4203, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Midwest Control Products Corp. Government technical data includes 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-673-4203 |
| Primary Part Number | SQI250 |
| Item Name | Ball Joint |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Midwest Control Products Corp |
| Status | ACTIVE |
| Ball End Connection Thread Provision | THREADED |
| Length | 1.250 INCHES NOMINAL IN |
| Ball End Thread Size and Series/type Designator | 0.25-28 UNF |
| Socket End Connection Thread Provision | THREADED |
| Style Designator | SINGLE, RIGHT ANGLE, OPEN |
| Socket End Thread Direction | RIGHT |
| Height | 1.031 INCHES NOMINAL IN |
| Socket End Thread Location | INTERNAL |
| Material | STEEL CORROSION RESISTING |
| Ball End Thread Location | EXTERNAL |
| Socket End Thread Size and Series/type Designator | 0.25-28 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 |
|---|---|
| SQI250 PRIMARY | Midwest Control Products Corp (USA) |
NSN 3040-01-673-4203 is a Ball Joint, manufactured by Midwest Control Products Corp, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-673-4203 has 1 manufacturer part number on file: SQI250 (Midwest Control Products Corp).
Key specifications for SQI250: Ball End Connection Thread Provision: THREADED; Length: 1.250 INCHES NOMINAL IN; Ball End Thread Size and Series/type Designator: 0.25-28 UNF; Socket End Connection Thread Provision: THREADED. 11 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.