The Bearing,sleeve, cataloged under National Stock Number 3120-01-446-3378, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Ggb Llc. Government technical data includes 6 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-446-3378 |
| Primary Part Number | 12420808-005 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Ggb Llc |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Body Outside Diameter | 12.000 MILLIMETERS MINIMUM AND 12.018 MILLIMETERS MAXIMUM MM |
| Style Designator | SPLIT, PLAIN, NO OUTSIDE FLANGES |
| Body Inside Diameter | 9.972 MILLIMETERS MINIMUM AND 9.987 MILLIMETERS MAXIMUM MM |
| Material | STEEL OUTER LAYER |
| Material | PLASTIC AND LEAD AND COPPER ALLOY INNER LAYER |
| 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 |
|---|---|
| 12420808-005 PRIMARY | Ggb Llc (USA) |
| 12420808-005 PRIMARY | Rbc Transport Dynamics Corp Div Rbc Transport Dynamics (USA) |
| 12420808 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 12420808-005 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| MB1020DU | 5/1 Secondary reference Ggb Llc |
| CJM-1020 | 5/1 Secondary reference Ggb Llc |
| 12420808-005 | 5/1 Secondary reference Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc |
| CJM-1020 | 5/1 Secondary reference Rbc Transport Dynamics Corp Div Rbc Transport Dynamics |
NSN 3120-01-446-3378 is a Bearing,sleeve, manufactured by Ggb Llc, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-446-3378 has 4 manufacturer part numbers on file: 12420808-005 (Ggb Llc), 12420808-005 (Rbc Transport Dynamics Corp Div Rbc Transport Dynamics), 12420808 (U S Army Tank Automotive Command Amsta-Im-Mm), 12420808-005 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12420808-005: Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 12.000 MILLIMETERS MINIMUM AND 12.018 MILLIMETERS MAXIMUM MM; Style Designator: SPLIT, PLAIN, NO OUTSIDE FLANGES; Overall Length: 20.00 MILLIMETERS NOMINAL MM. 6 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.