The Bearing,plain,rod End, cataloged under National Stock Number 3120-01-331-7744, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-331-7744 |
| Item Name | Bearing,plain,rod End |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Status | ACTIVE |
| Shank Thread Length | 1.0310 INCHES MINIMUM AND 1.1240 INCHES MAXIMUM IN |
| Bore Center to Shank End Distance | 1.8020 INCHES MINIMUM AND 1.8220 INCHES MAXIMUM IN |
| Inner Member Width | 0.4950 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN |
| Outer Member Width | 0.3220 INCHES MINIMUM AND 0.3320 INCHES MAXIMUM IN |
| Style Designator | BALL TYPE |
| Thread Diameter | 0.3750 INCHES NOMINAL IN |
| Thread Direction | LEFT-HAND |
| Shank Style | EXTERNALLY THREADED |
| Surface Treatment | PASSIVATE ROD END BODY |
| Surface Treatment | CHROMIUM INNER MEMBER |
| Surface Treatment | PASSIVATE RACE INSERT |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Bore Diameter | 0.2495 INCHES MINIMUM AND 0.2515 INCHES MAXIMUM IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNF |
| Outer Member Outside Diameter | 0.8650 INCHES MINIMUM AND 0.8850 INCHES MAXIMUM IN |
| 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 |
|---|---|
| BRE-4991 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3120-01-331-7744 is a Bearing,plain,rod End, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
Key specifications for 3120-01-331-7744: Shank Thread Length: 1.0310 INCHES MINIMUM AND 1.1240 INCHES MAXIMUM IN; Bore Center to Shank End Distance: 1.8020 INCHES MINIMUM AND 1.8220 INCHES MAXIMUM IN; Inner Member Width: 0.4950 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN; Outer Member Width: 0.3220 INCHES MINIMUM AND 0.3320 INCHES MAXIMUM IN. 17 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.