The Bolt,eye, cataloged under National Stock Number 5306-01-144-3078, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 15 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 | 5306-01-144-3078 |
| Primary Part Number | 2643353 |
| Item Name | Bolt,eye |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Eye Stock Diameter | 0.339 INCHES MINIMUM AND 0.339 INCHES MINIMUM AND 0.449 INCHES MAXIMUM0.449 INCHES MAXIMUM IN |
| Thread Length | 1.625 INCHES NOMINAL1.625 INCHES NOMINAL IN |
| Hardness Rating | 34.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL39.0 ROCKWELL C MAXIMUM OVERALL |
| Shank Length | 3.097 INCHES NOMINAL3.097 INCHES NOMINAL IN |
| Style Designator | ROUND, CLOSEDROUND, CLOSED |
| Material Document and Classification | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALLMIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES0.312 INCHES IN |
| Thread Direction | RIGHT-HANDRIGHT-HAND |
| Distance From Center of Eye to Shank End | 3.125 INCHES NOMINAL3.125 INCHES NOMINAL IN |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH160000 POUNDS PER SQUARE INCH LBS |
| Eye Inside Diameter | 0.316 INCHES MINIMUM AND 0.316 INCHES MINIMUM AND 0.319 INCHES MAXIMUM0.319 INCHES MAXIMUM IN |
| Thread Class | 2A2A |
| Thread Quantity Per Inch | 2424 |
| Material | STEEL COMP 4130 OVERALL |
| Thread Series Designator | UNFUNF |
| 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 |
|---|---|
| 2643353 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5306-01-144-3078 is a Bolt,eye, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-144-3078 has 1 manufacturer part number on file: 2643353 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 2643353: Eye Stock Diameter: 0.339 INCHES MINIMUM AND 0.339 INCHES MINIMUM AND 0.449 INCHES MAXIMUM0.449 INCHES MAXIMUM IN; Thread Length: 1.625 INCHES NOMINAL1.625 INCHES NOMINAL IN; Hardness Rating: 34.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL39.0 ROCKWELL C MAXIMUM OVERALL; Shank Length: 3.097 INCHES NOMINAL3.097 INCHES NOMINAL IN. 15 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.