The Bearing,v, cataloged under National Stock Number 3120-01-189-9293, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Rbc Transport Dynamics Corp Div Rbc Transport Dynamics. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-189-9293 |
| Primary Part Number | 178315 |
| Item Name | Bearing,v |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Rbc Transport Dynamics Corp Div Rbc Transport Dynamics |
| Status | ACTIVE |
| Corner Shape | CHAMFERED OUTSIDE LEFT CORNER |
| Corner Shape | ROUND OUTSIDE RIGHT CORNER |
| V Groove Width | 4.3060 INCHES NOMINAL IN |
| End of Rounded Extension to Right End of Bearing Distance | 12.5978 INCHES NOMINAL IN |
| Body Outside Diameter | 5.8750 INCHES NOMINAL IN |
| Style Designator | SPRING LOADED THROW OUT TYPE |
| Drilled Hole Depth | 5.2430 INCHES NOMINAL IN |
| End of Rounded Extension of V Groove to Bottom of V Groove Distance | 6.6530 INCHES NOMINAL IN |
| Drilled Hole Diameter | 1.5000 INCHES NOMINAL IN |
| Surface Treatment | PLASTIC POLYTETRAFLUOROETHYLENE V-GROOVE SURFACE |
| V Groove Angle | 31.82 DEGREES NOMINAL |
| Material | STEEL CORROSION RESISTING OR TITANIUM ALLOY OVERALL |
| V Groove Rounded Extension Radius | 5.8780 INCHES MINIMUM AND 5.8800 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 178315 PRIMARY | Rbc Transport Dynamics Corp Div Rbc Transport Dynamics (USA) |
| Reference | Meaning |
|---|---|
| 4G94044-101A | 3/2 Design control — primary reference U.S. Government activity |
| 4G94044 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 3120-01-189-9293 is a Bearing,v, manufactured by Rbc Transport Dynamics Corp Div Rbc Transport Dynamics, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-189-9293 has 1 manufacturer part number on file: 178315 (Rbc Transport Dynamics Corp Div Rbc Transport Dynamics).
Key specifications for 178315: Corner Shape: CHAMFERED OUTSIDE LEFT CORNER; Corner Shape: ROUND OUTSIDE RIGHT CORNER; V Groove Width: 4.3060 INCHES NOMINAL IN; End of Rounded Extension to Right End of Bearing Distance: 12.5978 INCHES NOMINAL IN. 13 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.
NSN 3120-01-189-9293 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.