The Bolt,eye, cataloged under National Stock Number 5306-00-554-5057, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-00-554-5057 |
| Item Name | Bolt,eye |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Eye Stock Diameter | 0.470 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN |
| Thread Length | 1.250 INCHES MINIMUM IN |
| Shank Length | 1.620 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN |
| Style Designator | ROUND, CLOSED W/SHOULDER |
| Material Document and Classification | MIL-B-45908 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.562 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Shoulder Diameter | 0.940 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN |
| Shoulder Thickness | 0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN |
| Eye Inside Diameter | 1.190 INCHES MINIMUM AND 1.310 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 12 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Eye Outside Width | 2.250 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 |
|---|---|
| MS51937-6 | 2/2 Government specification standardization U.S. Government activity |
NSN 5306-00-554-5057 is a Bolt,eye, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-00-554-5057: Eye Stock Diameter: 0.470 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN; Thread Length: 1.250 INCHES MINIMUM IN; Shank Length: 1.620 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN; Style Designator: ROUND, CLOSED W/SHOULDER. 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.