The Ball Joint, cataloged under National Stock Number 3040-01-423-1955, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Kamatics Corporation. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-423-1955 |
| Primary Part Number | KR12-FSB |
| Item Name | Ball Joint |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Kamatics Corporation |
| Status | ACTIVE |
| Socket End Connection Thread Provision | THREADED |
| Socket End Thread Direction | RIGHT |
| Socket End Thread Location | INTERNAL |
| Material | STEEL CORROSION RESISTING |
| Socket End Thread Size and Series/type Designator | 3/4-16 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 |
|---|---|
| KR12-FSB PRIMARY | Kamatics Corporation (USA) |
| SSF12T PRIMARY | Tuthill Corp National Rod End Div (USA) |
| 593-6961210 PC 61 | Naval Sea Systems Command (USA) |
| 6961201 PIECE 61 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| SSF12T | 5/9 Secondary reference Tuthill Corporation Dba Tuthill Pump Group |
| 6961210 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3040-01-423-1955 is a Ball Joint, manufactured by Kamatics Corporation, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-423-1955 has 4 manufacturer part numbers on file: KR12-FSB (Kamatics Corporation), SSF12T (Tuthill Corp National Rod End Div), 593-6961210 PC 61 (Naval Sea Systems Command), 6961201 PIECE 61 (Naval Sea Systems Command).
Key specifications for KR12-FSB: Socket End Connection Thread Provision: THREADED; Socket End Thread Direction: RIGHT; Special Features: SPRING-NOT INCL.;NONADJUSTABLE; Socket End Thread Location: INTERNAL. 5 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.