The Plate,retaining,bearing, cataloged under National Stock Number 3110-01-328-9293, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-328-9293 |
| Primary Part Number | 255603 PIECE 2 |
| Item Name | Plate,retaining,bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| Status | ACTIVE |
| Second Counterbore Depth | 0.5000 INCHES NOMINAL IN |
| Body Diameter | 4.4960 INCHES MINIMUM AND 4.4970 INCHES MAXIMUM IN |
| Minor Thickness | 1.3687 INCHES NOMINAL IN |
| Bolt Circle Hole Quantity | 2 |
| Mounting Hole Type | ROUND, UNTHREADED |
| Mounting Hole Arrangement Style | SINGLE BOLT HOLE CIRCLE |
| Overall Thickness | 2.2812 INCHES NOMINAL IN |
| First Counterbore Diameter | 3.3710 INCHES MINIMUM AND 3.3730 INCHES MAXIMUM IN |
| Style Designator | ROUND |
| Material Document and Classification | QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Mounting Hole Diameter | 0.3281 INCHES NOMINAL IN |
| Outside Diameter | 4.8125 INCHES NOMINAL IN |
| First Counterbore Depth | 0.4100 INCHES MINIMUM AND 0.4150 INCHES MAXIMUM IN |
| Aperture Diameter | 3.0000 INCHES MINIMUM AND 3.0010 INCHES MAXIMUM IN |
| Second Counterbore Diameter | 3.0020 INCHES MINIMUM AND 3.0040 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 903 OVERALL |
| Body Thickness | 0.7192 INCHES NOMINAL 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 |
|---|---|
| 255603 PIECE 2 PRIMARY | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
NSN 3110-01-328-9293 is a Plate,retaining,bearing, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-328-9293 has 1 manufacturer part number on file: 255603 PIECE 2 (Huntington Ingalls Inc Div Newport News Shipbuilding).
Key specifications for 255603 PIECE 2: Second Counterbore Depth: 0.5000 INCHES NOMINAL IN; Body Diameter: 4.4960 INCHES MINIMUM AND 4.4970 INCHES MAXIMUM IN; Minor Thickness: 1.3687 INCHES NOMINAL IN; Bolt Circle Hole Quantity: 2. 17 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.