The Inserter,bearing and Bushing, cataloged under National Stock Number 5120-01-206-0807, 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 | 5120-01-206-0807 |
| Primary Part Number | 12321204 |
| 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 | 3.750 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 |
|---|---|
| 12321204 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5120-01-206-0807 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 5120-01-206-0807 has 1 manufacturer part number on file: 12321204 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12321204: Diameter: 3.750 INCHES NOMINAL IN; Shape: ROUND; Overall Length: 2.250 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 MIL-H-6875 TO ROCKWELL C 45-50; 2.500 INSIDE DIA; OUTSIDE DIMENSION INCLUDES 3 DIA: 3.750 DIA BY 1.620 LONG,3.440 DIA BY 0.400 LONG,3.000 DIA BY 0.230 LONG; THE LARGEST OUTER DIMEN IS KNURLED,1.500 LONG; THE LARGE END IS CHAMFERED,0.120 LONG BY 45 DEG; THE OPPOSING END IS CHAMFERED,0.060 LONG BY 45 DEG; 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.