The Plate,retaining,bearing, cataloged under National Stock Number 3110-01-173-1970, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Raytheon Company. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-173-1970 |
| Primary Part Number | 5186888 |
| Item Name | Plate,retaining,bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Raytheon Company |
| Status | ACTIVE |
| Minor Thickness | 0.125 INCHES NOMINAL IN |
| Bolt Circle Hole Quantity | 8 |
| Mounting Hole Type | ROUND, UNTHREADED |
| Mounting Hole Arrangement Style | SINGLE BOLT HOLE CIRCLE |
| Style Designator | ROUND |
| Mounting Hole Diameter | 0.209 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | FLAT W/APERTURE |
| Outside Diameter | 2.717 INCHES NOMINAL IN |
| Aperture Diameter | 1.625 INCHES NOMINAL IN |
| Mounting Bolt Circle Diameter | 2.000 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 |
|---|---|
| 5186888 PRIMARY | Raytheon Company (USA) |
| Reference | Meaning |
|---|---|
| 2923929A | 5/9 Secondary reference Naval Sea Systems Command |
| 5186888 | 5/9 Secondary reference Naval Sea Systems Command |
NSN 3110-01-173-1970 is a Plate,retaining,bearing, manufactured by Raytheon Company, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-173-1970 has 1 manufacturer part number on file: 5186888 (Raytheon Company).
Key specifications for 5186888: Minor Thickness: 0.125 INCHES NOMINAL IN; Bolt Circle Hole Quantity: 8; Mounting Hole Type: ROUND, UNTHREADED; Mounting Hole Arrangement Style: SINGLE BOLT HOLE CIRCLE. 11 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.