The Plate,retaining,bearing, cataloged under National Stock Number 3110-01-358-1337, 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 20 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 | 3110-01-358-1337 |
| Primary Part Number | 6397389-56 |
| Item Name | Plate,retaining,bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Body Diameter | 4.7200 INCHES MINIMUM AND 4.7220 INCHES MAXIMUM IN |
| Minor Thickness | 0.6900 INCHES NOMINAL IN |
| Bolt Circle Hole Quantity | 6 |
| Mounting Hole Type | ROUND, UNTHREADED, COUNTERBORED |
| Mounting Hole Arrangement Style | SINGLE BOLT HOLE CIRCLE |
| Overall Thickness | 1.1200 INCHES MINIMUM AND 1.3800 INCHES MAXIMUM IN |
| Style Designator | ROUND |
| Material Document and Classification | QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Mounting Hole Diameter | 0.4400 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | RECESSED W/ APERTURE |
| Outside Diameter | 0.7500 INCHES NOMINAL IN |
| Recess Depth | 0.5600 INCHES NOMINAL IN |
| Aperture Diameter | 0.7200 INCHES NOMINAL IN |
| Counterbore Depth | 0.0300 INCHES NOMINAL IN |
| Features Provided | THREADED APERTURE |
| Counterbore Diameter | 0.8800 INCHES NOMINAL IN |
| Recess Diameter | 4.2350 INCHES NOMINAL IN |
| Mounting Bolt Circle Diameter | 6.6250 INCHES NOMINAL IN |
| Material | COPPER ALLOY OVERALL |
| Body Thickness | 0.5000 INCHES MINIMUM AND 0.6900 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 6397389-56 PRIMARY | Naval Sea Systems Command (USA) |
| 6397389 PIECE 56 | Naval Sea Systems Command (USA) |
NSN 3110-01-358-1337 is a Plate,retaining,bearing, manufactured by Naval Sea Systems Command, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-358-1337 has 2 manufacturer part numbers on file: 6397389-56 (Naval Sea Systems Command), 6397389 PIECE 56 (Naval Sea Systems Command).
Key specifications for 6397389-56: Body Diameter: 4.7200 INCHES MINIMUM AND 4.7220 INCHES MAXIMUM IN; Minor Thickness: 0.6900 INCHES NOMINAL IN; Bolt Circle Hole Quantity: 6; Mounting Hole Type: ROUND, UNTHREADED, COUNTERBORED. 20 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.