The Ball Joint,double, cataloged under National Stock Number 3040-01-043-6783, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-043-6783 |
| Item Name | Ball Joint,double |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Ball End Connection Thread Provision | THREADED |
| Length | 8.750 INCHES NOMINAL IN |
| Ball End Thread Size and Series/type Designator | 5/16-24 UNF |
| Ball End Thread Direction | RIGHT |
| Socket End Connection Thread Provision | THREADED |
| Style Designator | DOUBLE, RIGHT ANGLE, BALL END |
| Socket End Thread Direction | RIGHT |
| Height | 2.437 INCHES NOMINAL IN |
| Socket End Thread Location | INTERNAL |
| Material | STEEL |
| Ball End Thread Location | EXTERNAL |
| Socket End Thread Size and Series/type Designator | 5/16-24 UNF |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 550-77-009 | 3/9 Design control — primary reference U.S. Government activity |
| 550-77 | D/9 Drawing number reference only U.S. Government activity |
NSN 3040-01-043-6783 is a Ball Joint,double, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 5133-01-199-0395, 5995-01-332-3713, 6515-01-529-0183. Verify interchangeability with system specifications before substitution.
Key specifications for 3040-01-043-6783: Ball End Connection Thread Provision: THREADED; Length: 8.750 INCHES NOMINAL IN; Ball End Thread Size and Series/type Designator: 5/16-24 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.