The Plate,retaining,bearing, cataloged under National Stock Number 3110-01-371-8539, 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 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-371-8539 |
| Primary Part Number | 6508607 |
| Item Name | Plate,retaining,bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Width Across Flats | 0.8750 INCHES NOMINAL IN |
| Mounting Hole Type | ROUND, UNTHREADED |
| Mounting Hole Arrangement Style | THREE HOLES |
| Overall Thickness | 1.5000 INCHES NOMINAL IN |
| Style Designator | TWO FLATS |
| Mounting Hole Diameter | 0.2600 INCHES NOMINAL IN |
| Outside Diameter | 1.6250 INCHES NOMINAL IN |
| Aperture Diameter | 0.5000 INCHES MINIMUM AND 0.5003 INCHES MAXIMUM IN |
| Distance From Vertical Centerline to Center of Right Hole | 0.6250 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE OVERALL |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Flange Thickness | 0.2500 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 |
|---|---|
| 6508607 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| BC21-10C | 3/9 Design control — primary reference W. M. Berg, Inc. |
NSN 3110-01-371-8539 is a Plate,retaining,bearing, manufactured by Naval Sea Systems Command, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-371-8539 has 1 manufacturer part number on file: 6508607 (Naval Sea Systems Command).
Key specifications for 6508607: Width Across Flats: 0.8750 INCHES NOMINAL IN; Mounting Hole Type: ROUND, UNTHREADED; Mounting Hole Arrangement Style: THREE HOLES; Overall Thickness: 1.5000 INCHES NOMINAL 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.