The Inserter,bearing and Bushing, cataloged under National Stock Number 5120-00-901-4285, 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 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-00-901-4285 |
| Primary Part Number | 8355987 |
| 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 |
| Bore Length | 3.500 INCHES MINIMUM AND 3.540 INCHES MAXIMUM IN |
| Shape | ROUND |
| Bore Diameter | 3.875 INCHES NOMINAL IN |
| Material | STEEL |
| Drive End Type | RECESS |
| Operation Method | IMPACT |
| 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 |
|---|---|
| 8355987 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 009014285-98201 | 5/9 Secondary reference Dla Aviation Engineering Div Department of Defense |
NSN 5120-00-901-4285 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 5120-00-901-4285 has 1 manufacturer part number on file: 8355987 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 8355987: Bore Length: 3.500 INCHES MINIMUM AND 3.540 INCHES MAXIMUM IN; Shape: ROUND; Overall Length: 4.180 INCHES MINIMUM AND 4.220 INCHES MAXIMUM IN; Bore Diameter: 3.875 INCHES NOMINAL IN. 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.