The Plate,retaining,bearing, cataloged under National Stock Number 3110-00-397-1372, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 16 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 | 3110-00-397-1372 |
| Primary Part Number | S10-10-3353 |
| Item Name | Plate,retaining,bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| FSC Application Data | MAIN ROTOR ASSEMBLY,HELICOPTER |
| Length | 7.951 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Bolt Circle Hole Quantity | 11 |
| Mounting Hole Type | ROUND, UNTHREADED |
| Mounting Hole Arrangement Style | SINGLE BOLT HOLE CIRCLE |
| Overall Thickness | 0.188 INCHES NOMINAL IN |
| Hardness Rating | 25.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| Mounting Hole Diameter | 0.191 INCHES NOMINAL IN |
| Outside Diameter | 6.000 INCHES NOMINAL IN |
| Aperture Diameter | 4.508 INCHES NOMINAL IN |
| Inside Raised Surface Diameter | 0.750 INCHES NOMINAL IN |
| Mounting Bolt Circle Diameter | 5.250 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Outside Raised Surface Diameter | 1.250 INCHES NOMINAL IN |
| Material | STEEL 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 |
|---|---|
| S10-10-3353 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
NSN 3110-00-397-1372 is a Plate,retaining,bearing, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-397-1372 has 1 manufacturer part number on file: S10-10-3353 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for S10-10-3353: FSC Application Data: MAIN ROTOR ASSEMBLY,HELICOPTER; Length: 7.951 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Bolt Circle Hole Quantity: 11. 16 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.