The Plate,retaining,bearing, cataloged under National Stock Number 3110-01-231-4601, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-231-4601 |
| Item Name | Plate,retaining,bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-C-5541,TYPE 2,CLASS 1,GRADE C MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Minor Thickness | 0.062 INCHES NOMINAL IN |
| Raised Surface Height | 0.409 INCHES NOMINAL IN |
| Bolt Circle Hole Quantity | 3 |
| Mounting Hole Type | ROUND, UNTHREADED |
| Counterbore Diameter | 0.9375 INCHES NOMINAL IN |
| Counterbore Depth | 0.375 INCHES NOMINAL IN |
| Mounting Hole Arrangement Style | SINGLE BOLT HOLE CIRCLE |
| Overall Thickness | 0.500 INCHES NOMINAL IN |
| Style Designator | ROUND |
| Material Document and Classification | QQ-A-225/8,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Mounting Hole Diameter | 0.131 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | RAISED SURFACE W/APERTURE |
| Outside Diameter | 2.188 INCHES NOMINAL IN |
| Aperture Diameter | 0.750 INCHES NOMINAL IN |
| Mounting Bolt Circle Diameter | 1.875 INCHES NOMINAL IN |
| Surface Treatment | CHROMATE OVERALL |
| Outside Raised Surface Diameter | 1.495 INCHES MINIMUM AND 1.498 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 6061 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 2537001 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 3110-01-231-4601 is a Plate,retaining,bearing, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
Key specifications for 3110-01-231-4601: Surface Treatment Document and Classification: MIL-C-5541,TYPE 2,CLASS 1,GRADE C MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Minor Thickness: 0.062 INCHES NOMINAL IN; Raised Surface Height: 0.409 INCHES NOMINAL IN; Bolt Circle Hole Quantity: 3. 19 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.