The Bearing,roller,tapered, cataloged under National Stock Number 3110-01-437-5409, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3110-01-437-5409 |
| Primary Part Number | 1764AS507-1 |
| Item Name | Bearing,roller,tapered |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Cup Width | 0.7411 INCHES NOMINAL IN |
| Overall Outside Diameter | 4.3307 INCHES NOMINAL IN |
| Bore Diameter | 2.6875 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 |
|---|---|
| 1764AS507-1 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 1764AS507-1 | 5/9 Secondary reference U.S. Government activity |
| F58509/P33303 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3110-01-437-5409 is a Bearing,roller,tapered, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-437-5409 has 1 manufacturer part number on file: 1764AS507-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 1764AS507-1: Cup Width: 0.7411 INCHES NOMINAL IN; Overall Width: 0.8661 INCHES NOMINAL IN; Overall Outside Diameter: 4.3307 INCHES NOMINAL IN; Bore Diameter: 2.6875 INCHES NOMINAL IN. 3 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.