The Bolt,eye, cataloged under National Stock Number 5306-01-053-9766, 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 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-053-9766 |
| Primary Part Number | 1668624-8 |
| 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 | 0.438 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-Z-325 TY 2 CLASS 3 FED SPEC 1ST TREATMENT RESPONSE OR MIL-E-15090 TY 2 CLASS 2 MIL SPEC 2ND TREATMENT RESPONSE OVERALL |
| Thread Length | 1.469 INCHES MINIMUM AND 1.531 INCHES MAXIMUM IN |
| Shank Length | 3.594 INCHES MINIMUM AND 3.656 INCHES MAXIMUM IN |
| Style Designator | ROUND, CLOSED W/SHOULDER |
| Material Document and Classification | MIL-S-5083 COMP CW MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Distance From Center of Eye to Shank End | 4.359 INCHES MINIMUM AND 4.515 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.844 INCHES MINIMUM AND 0.906 INCHES MAXIMUM IN |
| Shoulder Thickness | 0.203 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN |
| Surface Treatment | ZINC AND ENAMEL OVERALL |
| Eye Inside Diameter | 1.156 INCHES MINIMUM AND 1.219 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 13 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Eye Outside Width | 2.031 INCHES MINIMUM AND 2.093 INCHES MAXIMUM 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 |
|---|---|
| 1668624-8 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 766780-8 | 5/9 Secondary reference Sperry John H Co |
NSN 5306-01-053-9766 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 5306-01-053-9766 has 1 manufacturer part number on file: 1668624-8 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 1668624-8: Eye Stock Diameter: 0.438 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-Z-325 TY 2 CLASS 3 FED SPEC 1ST TREATMENT RESPONSE OR MIL-E-15090 TY 2 CLASS 2 MIL SPEC 2ND TREATMENT RESPONSE OVERALL; Thread Length: 1.469 INCHES MINIMUM AND 1.531 INCHES MAXIMUM IN; Shank Length: 3.594 INCHES MINIMUM AND 3.656 INCHES MAXIMUM IN. 18 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.