The Plate,retaining,bearing, cataloged under National Stock Number 3110-01-140-6566, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 18 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 | 3110-01-140-6566 |
| Primary Part Number | 12310189 |
| Item Name | Plate,retaining,bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Second Counterbore Depth | 0.136 INCHES NOMINAL IN |
| Minor Thickness | 0.110 INCHES NOMINAL IN |
| Bolt Circle Hole Quantity | 8 |
| Mounting Hole Type | ROUND, UNTHREADED, COUNTERBORED |
| Mounting Hole Arrangement Style | SINGLE BOLT HOLE CIRCLE |
| Overall Thickness | 0.310 INCHES NOMINAL IN |
| First Counterbore Diameter | 4.729 INCHES NOMINAL IN |
| Style Designator | ROUND |
| Mounting Hole Diameter | 0.211 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | COUNTERBORED W/APERTURE |
| Outside Diameter | 6.249 INCHES NOMINAL IN |
| First Counterbore Depth | 0.100 INCHES NOMINAL IN |
| Aperture Diameter | 4.539 INCHES NOMINAL IN |
| Counterbore Depth | 0.150 INCHES NOMINAL IN |
| Counterbore Diameter | 0.400 INCHES NOMINAL IN |
| Second Counterbore Diameter | 4.729 INCHES NOMINAL IN |
| Mounting Bolt Circle Diameter | 5.062 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 6061 BEARING |
| 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 |
|---|---|
| 12310189 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 3110-01-140-6566 is a Plate,retaining,bearing, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-140-6566 has 1 manufacturer part number on file: 12310189 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12310189: Second Counterbore Depth: 0.136 INCHES NOMINAL IN; Minor Thickness: 0.110 INCHES NOMINAL IN; Bolt Circle Hole Quantity: 8; Mounting Hole Type: ROUND, UNTHREADED, COUNTERBORED. 18 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.