The Bearing Unit,plain, cataloged under National Stock Number 3130-01-271-0325, 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 15 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 | 3130-01-271-0325 |
| Primary Part Number | 12359289 |
| Item Name | Bearing Unit,plain |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Assembly Overall Length | 1.000 INCHES NOMINAL IN |
| Housing Height | 2.750 INCHES NOMINAL IN |
| Mounting Hole Type | ROUND, UNTHREADED |
| Style Designator | PILLOW BLOCK, SOLID |
| Material Document and Classification | QQ-A-250/6 FED SPEC 1ST MATERIAL RESPONSE HOUSING |
| Mounting Hole Diameter | 0.530 INCHES MINIMUM AND 0.614 INCHES MAXIMUM IN |
| Center to Center Distance Between Mounting Holes Along Width | 3.750 INCHES NOMINAL IN |
| Housing Width | 4.810 INCHES NOMINAL IN |
| Base Length | 1.000 INCHES NOMINAL IN |
| Alignment Type | RIGID |
| Base Thickness | 0.750 INCHES NOMINAL IN |
| Bore Diameter | 1.6230 INCHES MINIMUM AND 1.6250 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY HOUSING |
| Height From Bottom of Base to Bore Centerline | 1.500 INCHES NOMINAL IN |
| Load Capability Type | RADIAL |
| 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 |
|---|---|
| 12359289 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 3130-01-271-0325 is a Bearing Unit,plain, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-271-0325 has 1 manufacturer part number on file: 12359289 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12359289: Assembly Overall Length: 1.000 INCHES NOMINAL IN; Housing Height: 2.750 INCHES NOMINAL IN; Mounting Hole Type: ROUND, UNTHREADED; Style Designator: PILLOW BLOCK, SOLID. 15 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.