The Plate,retaining,bearing, cataloged under National Stock Number 3110-01-320-4106, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-320-4106 |
| Primary Part Number | 2123127 |
| Item Name | Plate,retaining,bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Body Diameter | 2.375 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | DOD-P-16232,TYPE M,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Minor Thickness | 0.206 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN |
| Bolt Circle Hole Quantity | 3 |
| Mounting Hole Type | ROUND, UNTHREADED, COUNTERBORED |
| Counterbore Diameter | 2.1248 INCHES MINIMUM AND 2.1251 INCHES MAXIMUM IN |
| Counterbore Depth | 0.375 INCHES NOMINAL IN |
| Mounting Hole Arrangement Style | SINGLE BOLT HOLE CIRCLE |
| Overall Thickness | 0.437 INCHES NOMINAL IN |
| Style Designator | ROUND |
| Material Document and Classification | AISI ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Mounting Hole Diameter | 0.219 INCHES MINIMUM AND 0.229 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | COUNTERBORED W/ APERTURE |
| Outside Diameter | 3.187 INCHES NOMINAL IN |
| Aperture Diameter | 1.937 INCHES NOMINAL IN |
| Counterbore Depth | 0.047 INCHES NOMINAL IN |
| Counterbore Diameter | 0.385 INCHES MINIMUM AND 0.405 INCHES MAXIMUM IN |
| Mounting Bolt Circle Diameter | 2.750 INCHES NOMINAL IN |
| Surface Treatment | PHOSPHATE MANGANESE OVERALL |
| Material | STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1022 OR STEEL COMP 1023 OR STEEL COMP 1025 OVERALL |
| Body Thickness | 0.221 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 |
|---|---|
| 2123127 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 3110-01-320-4106 is a Plate,retaining,bearing, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-320-4106 has 1 manufacturer part number on file: 2123127 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 2123127: Body Diameter: 2.375 INCHES NOMINAL IN; Surface Treatment Document and Classification: DOD-P-16232,TYPE M,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Minor Thickness: 0.206 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN; Bolt Circle Hole Quantity: 3. 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.