The Plate,retaining,bearing, cataloged under National Stock Number 3110-01-004-2387, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-004-2387 |
| Item Name | Plate,retaining,bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Status | ACTIVE |
| Bolt Circle Hole Quantity | 4 |
| Mounting Hole Type | ROUND, THREADED |
| Mounting Hole Arrangement Style | SINGLE BOLT HOLE CIRCLE |
| Hardness Rating | 43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM |
| Mounting Hole Diameter | 0.164 INCHES NOMINAL IN |
| Outside Diameter | 2.380 INCHES NOMINAL IN |
| Aperture Diameter | 1.370 INCHES NOMINAL IN |
| Nominal Thread Size | 0.164 INCHES IN |
| Mounting Bolt Circle Diameter | 2.060 INCHES NOMINAL IN |
| Surface Treatment | OXIDE OVERALL |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 4130 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 951B155-1 | 3/2 Design control — primary reference U.S. Government activity |
| 951B155-1 | 5/9 Secondary reference U.S. Government activity |
NSN 3110-01-004-2387 is a Plate,retaining,bearing, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
Key specifications for 3110-01-004-2387: Bolt Circle Hole Quantity: 4; Mounting Hole Type: ROUND, THREADED; Mounting Hole Arrangement Style: SINGLE BOLT HOLE CIRCLE; Hardness Rating: 43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM. 13 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.
NSN 3110-01-004-2387 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.