The Plate,retaining,bearing, cataloged under National Stock Number 3110-00-905-4579, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3110-00-905-4579 |
| Item Name | Plate,retaining,bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Status | ACTIVE |
| Bolt Circle Hole Quantity | 6 |
| Mounting Hole Type | ROUND, UNTHREADED |
| Mounting Hole Arrangement Style | SINGLE BOLT HOLE CIRCLE |
| Overall Thickness | 0.100 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Style Designator | ROUND |
| Mounting Hole Diameter | 0.220 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | FLAT W/APERTURE |
| Outside Diameter | 3.500 INCHES NOMINAL IN |
| Aperture Diameter | 0.182 INCHES MINIMUM IN |
| Mounting Bolt Circle Diameter | 0.765 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 |
| Reference | Meaning |
|---|---|
| N-9051 | 5/9 Secondary reference North Broward Industries Inc Government Sales Div |
| 379485 | 5/9 Secondary reference Alliedsignal Inc Dba Allied-Signal Aerospace Co |
| 379485 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3110-00-905-4579 is a Plate,retaining,bearing, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 2520-01-361-5190. Verify interchangeability with system specifications before substitution.
Key specifications for 3110-00-905-4579: Bolt Circle Hole Quantity: 6; Mounting Hole Type: ROUND, UNTHREADED; Mounting Hole Arrangement Style: SINGLE BOLT HOLE CIRCLE; Overall Thickness: 0.100 INCHES MINIMUM AND 0.130 INCHES MAXIMUM 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.