The Bearing,ball,thrust, cataloged under National Stock Number 3110-01-305-0258, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Abc Acquisition Company Dba Aetna Bearing Company. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3110-01-305-0258 |
| Primary Part Number | E-37 |
| Item Name | Bearing,ball,thrust |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Abc Acquisition Company Dba Aetna Bearing Company |
| Status | ACTIVE |
| Surface Finish | GROUND |
| Style Designator | GROOVED RACE SURFACE, BANDED OD |
| Thrust Directional Capability Designation | SINGLE |
| Overall Outside Diameter | 4.4540 INCHES MINIMUM AND 4.4840 INCHES MAXIMUM IN |
| Bore Smallest Diameter | 2.7440 INCHES MINIMUM AND 2.7580 INCHES MAXIMUM IN |
| Alignment Type | RIGID |
| Largest Bore Diameter | 2.8020 INCHES MINIMUM AND 2.8220 INCHES MAXIMUM 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 |
|---|---|
| E-37 PRIMARY | Abc Acquisition Company Dba Aetna Bearing Company (USA) |
| Reference | Meaning |
|---|---|
| 1735AS302-1 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 3110-01-305-0258 is a Bearing,ball,thrust, manufactured by Abc Acquisition Company Dba Aetna Bearing Company, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-305-0258 has 1 manufacturer part number on file: E-37 (Abc Acquisition Company Dba Aetna Bearing Company).
1 possible match (shared part number, not a government interchangeability claim): 7340-01-595-0056. Verify interchangeability with system specifications before substitution.
Key specifications for E-37: Overall Height: 0.9950 INCHES MINIMUM AND 1.0050 INCHES MAXIMUM IN; Surface Finish: GROUND; Style Designator: GROOVED RACE SURFACE, BANDED OD; Thrust Directional Capability Designation: SINGLE. 8 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.