The Bearing Unit,plain, cataloged under National Stock Number 3130-01-254-5470, 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 21 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3130-01-254-5470 |
| Primary Part Number | 12354710 |
| Item Name | Bearing Unit,plain |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-C-5541,CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE HOUSING A |
| Housing Height | 3.000 INCHES NOMINAL IN |
| Mounting Hole Type | ROUND, THREADED |
| Style Designator | PILLOW BLOCK, SOLID |
| Material Document and Classification | QQ-A-200/3 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-225/6 FED SPEC 1ST MATERIAL RESPONSE BEARING |
| Center to Center Distance Between Mounting Holes Along Width | 5.000 INCHES NOMINAL IN |
| Nominal Thread Size | 0.500 INCHES IN |
| Housing Width | 6.750 INCHES NOMINAL IN |
| Base Length | 4.250 INCHES NOMINAL IN |
| Alignment Type | RIGID |
| Shaft End Type | OPEN |
| Surface Treatment | CHROMATE HOUSING |
| Base Thickness | 1.000 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 13 |
| Bore Diameter | 1.4383 INCHES MINIMUM AND 1.4393 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY HOUSING |
| Material | ALUMINUM ALLOY 2024 AND PLASTIC POLYTETRAFLUOROETHYLENE BEARING |
| Housing Length | 4.250 INCHES NOMINAL IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Height From Bottom of Base to Bore Centerline | 1.875 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 |
|---|---|
| 12354710 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 12354710 | 8/1 NATO reproduction reference Fnss Savunma Sistemleri Anonim Sirketi |
NSN 3130-01-254-5470 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 3130-01-254-5470 has 1 manufacturer part number on file: 12354710 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12354710: Surface Treatment Document and Classification: MIL-C-5541,CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE HOUSING A; Housing Height: 3.000 INCHES NOMINAL IN; Mounting Hole Type: ROUND, THREADED; Style Designator: PILLOW BLOCK, SOLID. 21 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.