The Plate,retaining,bearing, cataloged under National Stock Number 3110-01-281-3890, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Ozark Aeroworks Llc. Government technical data includes 22 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3110-01-281-3890 |
| Primary Part Number | 1-030-123-02 |
| Item Name | Plate,retaining,bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Ozark Aeroworks Llc |
| Status | ACTIVE |
| Body Diameter | 12.746 INCHES MINIMUM AND 12.748 INCHES MAXIMUM IN |
| Surface Finish | 63.0 MICROINCHES OUTSIDE DIAMETER |
| Surface Treatment Document and Classification | AMS 2485 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Minor Thickness | 0.225 INCHES NOMINAL IN |
| Second Bolt Circle Hole Quantity | 11 |
| Mounting Hole Type | ROUND, UNTHREADED |
| Counterbore Diameter | 12.503 INCHES MINIMUM AND 12.505 INCHES MAXIMUM IN |
| Counterbore Depth | 0.477 INCHES MINIMUM AND 0.479 INCHES MAXIMUM IN |
| Mounting Hole Arrangement Style | TWO BOLT HOLES CIRCLES |
| Overall Thickness | 0.703 INCHES NOMINAL IN |
| Style Designator | ROUND |
| Material Document and Classification | AMS 6470 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Mounting Hole Diameter | 0.625 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | COUNTERBORED W/ APERTURE |
| Outside Diameter | 14.735 INCHES MINIMUM AND 14.745 INCHES MAXIMUM IN |
| Aperture Diameter | 10.120 INCHES NOMINAL IN |
| Second Bolt Circle Diameter | 13.700 INCHES NOMINAL IN |
| Surface Treatment | OXIDE OVERALL |
| Material | STEEL OVERALL |
| First Bolt Circle Diameter | 11.000 INCHES NOMINAL IN |
| Body Thickness | 0.120 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN |
| First Bolt Circle Hole Quantity | 18 |
| 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 |
|---|---|
| 1-030-123-02 PRIMARY | Ozark Aeroworks Llc (USA) |
| Reference | Meaning |
|---|---|
| 1-030-123-02 | 3/9 Design control — primary reference U.S. Government activity |
NSN 3110-01-281-3890 is a Plate,retaining,bearing, manufactured by Ozark Aeroworks Llc, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-281-3890 has 1 manufacturer part number on file: 1-030-123-02 (Ozark Aeroworks Llc).
Key specifications for 1-030-123-02: Body Diameter: 12.746 INCHES MINIMUM AND 12.748 INCHES MAXIMUM IN; Surface Finish: 63.0 MICROINCHES OUTSIDE DIAMETER; Surface Treatment Document and Classification: AMS 2485 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Minor Thickness: 0.225 INCHES NOMINAL IN. 22 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.