The Plate,retaining,bearing, cataloged under National Stock Number 3110-00-024-2029, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is W S Darley & Co. Government technical data includes 16 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3110-00-024-2029 |
| Primary Part Number | 2301101 |
| Item Name | Plate,retaining,bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | W S Darley & Co |
| Status | ACTIVE |
| Minor Thickness | 0.156 INCHES NOMINAL IN |
| Bolt Circle Hole Quantity | 4 |
| Mounting Hole Type | ROUND, UNTHREADED |
| Counterbore Diameter | 2.835 INCHES MINIMUM AND 2.837 INCHES MAXIMUM IN |
| Counterbore Depth | 0.250 INCHES NOMINAL IN |
| Mounting Hole Arrangement Style | SINGLE BOLT HOLE CIRCLE |
| Style Designator | ROUND |
| Mounting Hole Diameter | 0.343 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | FLAT W/APERTURE |
| Outside Diameter | 5.498 INCHES MINIMUM AND 5.499 INCHES MAXIMUM IN |
| Aperture Diameter | 2.625 INCHES NOMINAL IN |
| Counterbore Depth | 0.062 INCHES NOMINAL IN |
| Counterbore Diameter | 0.750 INCHES NOMINAL IN |
| Mounting Bolt Circle Diameter | 3.750 INCHES NOMINAL IN |
| Outside Raised Surface Diameter | 3.147 INCHES MINIMUM AND 3.149 INCHES MAXIMUM IN |
| Material | IRON 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 |
|---|---|
| 2301101 PRIMARY | W S Darley & Co (USA) |
| Reference | Meaning |
|---|---|
| PB151 | 5/9 Secondary reference U.S. Government activity |
| J34-1 | 5/9 Secondary reference W S Darley & Co |
| 151J34-1 | 5/9 Secondary reference W S Darley & Co |
| 151KFF | 5/9 Secondary reference W S Darley & Co |
NSN 3110-00-024-2029 is a Plate,retaining,bearing, manufactured by W S Darley & Co, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-024-2029 has 1 manufacturer part number on file: 2301101 (W S Darley & Co).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-295-6007. Verify interchangeability with system specifications before substitution.
Key specifications for 2301101: Minor Thickness: 0.156 INCHES NOMINAL IN; Bolt Circle Hole Quantity: 4; Mounting Hole Type: ROUND, UNTHREADED; Counterbore Diameter: 2.835 INCHES MINIMUM AND 2.837 INCHES MAXIMUM IN. 16 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.