The Inserter,bearing and Bushing, cataloged under National Stock Number 5120-01-206-0806, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 4 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-206-0806 |
| Primary Part Number | 12321203 |
| Item Name | Inserter,bearing and Bushing |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Diameter | 1.750 INCHES NOMINAL IN |
| Shape | ROUND |
| Material | STEEL |
| Operation Method | NONIMPACT |
| 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 |
|---|---|
| 12321203 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5120-01-206-0806 is a Inserter,bearing and Bushing, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-206-0806 has 1 manufacturer part number on file: 12321203 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12321203: Diameter: 1.750 INCHES NOMINAL IN; Shape: ROUND; Overall Length: 1.500 INCHES NOMINAL IN; Special Features: DRIVER,BEARING; MATL: TOOL STEEL TYPE 06 PER SPEC QQ-T-570; FINISH: BLACK OXIDE PER SPEC MIL-C-13924,CLASS I; HEAT TREATMENT: QUENCH AND TEMPER PER SPEC MIL-H-6875 TO ROCKWELL C 45-50; 1.290 INSIDE DIA; BOTH ENDS CHAMFERED,0.120 LONG BY 45 DEG; AN OUTER EDGE OF 0.880 LONG IS KNURLED,LOCATED 0.250 FROM ONE END; USED ON M1E1-1MP. 4 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.