The Retainer,ball,bearing, cataloged under National Stock Number 3110-01-303-7429, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 6 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-303-7429 |
| Primary Part Number | 2540039 |
| Item Name | Retainer,ball,bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Rolling Element Diameter | 0.1250 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-A-8625,TY I,UNDYED MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | QQ-A-225/4,TEMPER T4 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-225/9,T6 FED SPEC 2ND MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.7350 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE OVERALL |
| Material | ALUMINUM ALLOY 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 |
|---|---|
| 2540039 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 3110-01-303-7429 is a Retainer,ball,bearing, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-303-7429 has 1 manufacturer part number on file: 2540039 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 2540039: Rolling Element Diameter: 0.1250 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-A-8625,TY I,UNDYED MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Material Document and Classification: QQ-A-225/4,TEMPER T4 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-225/9,T6 FED SPEC 2ND MATERIAL RESPONSE OVERALL; Overall Width: 0.3650 INCHES NOMINAL IN. 6 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.