The Bolt,eye, cataloged under National Stock Number 5306-01-227-3988, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-227-3988 |
| Item Name | Bolt,eye |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Eye Stock Diameter | 0.750 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN |
| Thread Length | 1.812 INCHES MINIMUM IN |
| Shank Length | 2.250 INCHES MINIMUM AND 2.375 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-B-45908 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.875 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 96906-MS51937 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Distance From Center of Eye to Shank End | 4.281 INCHES MINIMUM AND 4.594 INCHES MAXIMUM IN |
| Shoulder Diameter | 1.312 INCHES MINIMUM AND 1.438 INCHES MAXIMUM IN |
| Shoulder Thickness | 0.312 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Eye Inside Diameter | 1.562 INCHES MINIMUM AND 1.688 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 9 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Eye Outside Width | 3.188 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 |
|---|---|
| MS51937-9 | 2/2 Government specification standardization U.S. Government activity |
NSN 5306-01-227-3988 is a Bolt,eye, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-227-3988: Eye Stock Diameter: 0.750 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN; Thread Length: 1.812 INCHES MINIMUM IN; Shank Length: 2.250 INCHES MINIMUM AND 2.375 INCHES MAXIMUM IN; Material Document and Classification: MIL-B-45908 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 16 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.