The Bearing Unit,roller, cataloged under National Stock Number 3130-01-540-1910, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 10 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 | 3130-01-540-1910 |
| Primary Part Number | 12486366 |
| Item Name | Bearing Unit,roller |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Surface Treatment Document and Classification | ASTM B633 ASSN STD ALL TREATMENT RESPONSES OVERALL |
| Mounting Hole Type | ROUND, UNTHREADED, COUNTERBORED |
| Style Designator | CYLINDRICAL CARTRIDGE |
| Counterbore Depth | 0.500 INCHES NOMINAL IN |
| Counterbore Diameter | 3.250 INCHES NOMINAL IN |
| Surface Treatment | ZINC OVERALL |
| Bore Diameter | 2.2510 INCHES MINIMUM AND 2.2540 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Housing Length | 2.125 INCHES NOMINAL IN |
| Housing Diameter | 4.000 INCHES NOMINAL 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 |
|---|---|
| 12486366 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 3130-01-540-1910 is a Bearing Unit,roller, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-540-1910 has 1 manufacturer part number on file: 12486366 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12486366: Surface Treatment Document and Classification: ASTM B633 ASSN STD ALL TREATMENT RESPONSES OVERALL; Mounting Hole Type: ROUND, UNTHREADED, COUNTERBORED; Style Designator: CYLINDRICAL CARTRIDGE; Counterbore Depth: 0.500 INCHES NOMINAL IN. 10 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.