The Plate,retaining,bearing, cataloged under National Stock Number 3110-00-367-5210, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-367-5210 |
| Primary Part Number | 1B6287 |
| Item Name | Plate,retaining,bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Bolt Circle Hole Quantity | 6 |
| Mounting Hole Type | ROUND, UNTHREADED |
| Mounting Hole Arrangement Style | SINGLE BOLT HOLE CIRCLE |
| Overall Thickness | 0.065 INCHES NOMINAL IN |
| Style Designator | ROUND |
| Mounting Hole Diameter | 0.203 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | FLAT W/APERTURE |
| Outside Diameter | 5.250 INCHES NOMINAL IN |
| Aperture Diameter | 2.906 INCHES NOMINAL IN |
| Mounting Bolt Circle Diameter | 4.875 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 |
|---|---|
| 1B6287 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 3110-00-367-5210 is a Plate,retaining,bearing, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-367-5210 has 1 manufacturer part number on file: 1B6287 (Caterpillar Inc Div Caterpillar Defense).
1 possible match (shared part number, not a government interchangeability claim): 4810-01-408-3282. Verify interchangeability with system specifications before substitution.
Key specifications for 1B6287: Bolt Circle Hole Quantity: 6; Mounting Hole Type: ROUND, UNTHREADED; Mounting Hole Arrangement Style: SINGLE BOLT HOLE CIRCLE; Overall Thickness: 0.065 INCHES NOMINAL IN. 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.