The Plate,retaining,bearing, cataloged under National Stock Number 3110-01-397-1590, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3110-01-397-1590 |
| Item Name | Plate,retaining,bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Status | ACTIVE |
| Countersink Diameter | 0.6620 INCHES NOMINAL IN |
| Raised Surface Height | 0.2000 INCHES NOMINAL IN |
| Mounting Hole Type | ROUND, UNTHREADED, COUNTERSUNK |
| Mounting Hole Arrangement Style | VERTICAL CENTERLINE |
| Overall Thickness | 0.3900 INCHES NOMINAL IN |
| Distance Between Holes Along Width | 1.0000 INCHES NOMINAL IN |
| Style Designator | ROUND |
| Mounting Hole Diameter | 0.3440 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | RAISED SURFACE W/O APERTURE |
| Outside Diameter | 2.9900 INCHES NOMINAL IN |
| Distance From Horizontal Centerline to Center of Lower Hole | 0.5000 INCHES NOMINAL IN |
| Countersink Angle | 90.0 DEGREES NOMINAL |
| Outside Raised Surface Diameter | 1.9960 INCHES MINIMUM AND 1.9980 INCHES MAXIMUM IN |
| Material | STEEL COMP 4140 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 |
|---|---|
| 1400040 | 3/9 Design control — primary reference Landoll Corporation Dba Landoll Corporation Drexel Division Div Drexel |
NSN 3110-01-397-1590 is a Plate,retaining,bearing, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
Key specifications for 3110-01-397-1590: Countersink Diameter: 0.6620 INCHES NOMINAL IN; Raised Surface Height: 0.2000 INCHES NOMINAL IN; Mounting Hole Type: ROUND, UNTHREADED, COUNTERSUNK; Mounting Hole Arrangement Style: VERTICAL CENTERLINE. 14 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.