The Bolt,eye, cataloged under National Stock Number 5306-00-550-3565, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-550-3565 |
| Item Name | Bolt,eye |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Thread Length | 0.618 INCHES MINIMUM AND 0.633 INCHES MAXIMUM IN |
| Hardness Rating | 27.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| Shank Length | 0.930 INCHES NOMINAL IN |
| Style Designator | ROUND, CLOSED |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | CADMIUM AND OXIDE OVERALL |
| Eye Inside Diameter | 0.251 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Eye Stock Thickness | 0.344 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP 4130 OVERALL |
| Thread Series Designator | UNF |
| Eye Outside Width | 0.780 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 |
| Reference | Meaning |
|---|---|
| EAB1542 | 3/2 Design control — primary reference U.S. Government activity |
| M5958 | 5/9 Secondary reference Smith and Smith Aircraft Co |
| 5306-01-006-3 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-00-550-3565 is a Bolt,eye, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-00-550-3565: Thread Length: 0.618 INCHES MINIMUM AND 0.633 INCHES MAXIMUM IN; Hardness Rating: 27.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL; Shank Length: 0.930 INCHES NOMINAL IN; Style Designator: ROUND, CLOSED. 14 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.