The Ring Adapter,bead Breaker, cataloged under National Stock Number 4910-01-332-5551, is classified within Federal Supply Class 4910 (Motor Vehicle Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Columbus Jack Corporation Div Columbus Jack. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4910-01-332-5551 |
| Primary Part Number | 120D180 |
| Item Name | Ring Adapter,bead Breaker |
| FSC / FSG | 4910 / 49 — Motor Vehicle Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Columbus Jack Corporation Div Columbus Jack |
| Status | ACTIVE |
| General Characteristics Item Description | 12.0IN DIA.;RIM DIM. 11.624IN BY 11.975IN IN |
| 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 |
|---|---|
| 120D180 PRIMARY | Columbus Jack Corporation Div Columbus Jack (USA) |
| Reference | Meaning |
|---|---|
| 4120D180 | 5/9 Secondary reference Columbus Jack Corporation Div Columbus Jack |
NSN 4910-01-332-5551 is a Ring Adapter,bead Breaker, manufactured by Columbus Jack Corporation Div Columbus Jack, classified under FSC 4910, Motor Vehicle Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4910-01-332-5551 has 1 manufacturer part number on file: 120D180 (Columbus Jack Corporation Div Columbus Jack).
Key specifications for 120D180: General Characteristics Item Description: 12.0IN DIA.;RIM DIM. 11.624IN BY 11.975IN IN; End Item Identification: 4910-01-267-7191BEAD BREAKER. 1 specification is 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.