The Plate,retaining,bearing, cataloged under National Stock Number 3110-00-193-8554, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-193-8554 |
| Primary Part Number | 672559 |
| Item Name | Plate,retaining,bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Minor Thickness | 0.695 INCHES MINIMUM AND 0.705 INCHES MAXIMUM IN |
| Bolt Circle Hole Quantity | 3 |
| Mounting Hole Type | ROUND, UNTHREADED |
| Counterbore Diameter | 5.798 INCHES MINIMUM AND 5.802 INCHES MAXIMUM IN |
| Counterbore Depth | 0.373 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Overall Thickness | 1.069 INCHES MINIMUM AND 1.080 INCHES MAXIMUM IN |
| Hardness Rating | 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| Mounting Hole Diameter | 0.216 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN |
| Outside Diameter | 7.070 INCHES MINIMUM AND 7.090 INCHES MAXIMUM IN |
| Aperture Diameter | 4.940 INCHES MINIMUM AND 4.960 INCHES MAXIMUM IN |
| Mounting Bolt Circle Diameter | 6.620 INCHES NOMINAL IN |
| Material | STEEL COMP 410 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3110-00-193-8554 is a Plate,retaining,bearing, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-193-8554 has 2 manufacturer part numbers on file: 672559 (Rtx Corporation Div Pratt & Whitney), 672559 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 672559: Minor Thickness: 0.695 INCHES MINIMUM AND 0.705 INCHES MAXIMUM IN; Bolt Circle Hole Quantity: 3; Mounting Hole Type: ROUND, UNTHREADED; Counterbore Diameter: 5.798 INCHES MINIMUM AND 5.802 INCHES MAXIMUM IN. 12 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.