The Plate,retaining,bearing, cataloged under National Stock Number 3110-01-451-4979, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-451-4979 |
| Primary Part Number | 512-6404652-143 |
| Item Name | Plate,retaining,bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Length | 9.620 INCHES NOMINAL IN |
| Minor Thickness | 0.281 INCHES NOMINAL IN |
| Counterbore Diameter | 3.375 INCHES MINIMUM AND 3.381 INCHES MAXIMUM IN |
| Counterbore Depth | 1.063 INCHES NOMINAL IN |
| Overall Thickness | 1.344 INCHES NOMINAL IN |
| Style Designator | RECTANGLE |
| Cross-Sectional Shape Style | COUNTERBORED W/ APERTURE |
| Aperture Diameter | 1.250 INCHES NOMINAL IN |
| Width | 5.500 INCHES NOMINAL IN |
| Material | NICKEL ALLOY 400 OVERALL |
| 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 |
|---|---|
| 512-6404652-143 PRIMARY | Naval Sea Systems Command (USA) |
| 512-6404653-97 PRIMARY | Naval Sea Systems Command (USA) |
NSN 3110-01-451-4979 is a Plate,retaining,bearing, manufactured by Naval Sea Systems Command, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-451-4979 has 2 manufacturer part numbers on file: 512-6404652-143 (Naval Sea Systems Command), 512-6404653-97 (Naval Sea Systems Command).
Key specifications for 512-6404652-143: Length: 9.620 INCHES NOMINAL IN; Minor Thickness: 0.281 INCHES NOMINAL IN; Counterbore Diameter: 3.375 INCHES MINIMUM AND 3.381 INCHES MAXIMUM IN; Counterbore Depth: 1.063 INCHES NOMINAL IN. 10 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.