The Bolt,eye, cataloged under National Stock Number 5306-00-291-3141, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-291-3141 |
| Item Name | Bolt,eye |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Thread Length | 0.610 INCHES MAXIMUM IN |
| Shank Unthreaded Hole Diameter | 0.077 INCHES MINIMUM AND 0.082 INCHES MAXIMUM FIRST HOLE IN |
| Shank Length | 4.280 INCHES NOMINAL IN |
| Style Designator | ROUND, CLOSED W/SHOULDER |
| Material Document and Classification | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Distance From Center of Eye to Shank End | 4.468 INCHES NOMINAL IN |
| Shoulder Diameter | 0.875 INCHES NOMINAL IN |
| Shoulder Thickness | 0.070 INCHES NOMINAL IN |
| Distance From Threaded End to Shank Hole Center | 4.100 INCHES NOMINAL FIRST HOLE IN |
| Eye Inside Diameter | 0.375 INCHES MINIMUM AND 0.383 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Eye Stock Thickness | 0.250 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 28 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Eye Outside Width | 0.875 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 |
|---|---|
| 729046-103 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-00-291-3141 is a Bolt,eye, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-00-291-3141: Thread Length: 0.610 INCHES MAXIMUM IN; Shank Unthreaded Hole Diameter: 0.077 INCHES MINIMUM AND 0.082 INCHES MAXIMUM FIRST HOLE IN; Shank Length: 4.280 INCHES NOMINAL IN; Style Designator: ROUND, CLOSED W/SHOULDER. 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.