The Bolt,eye, cataloged under National Stock Number 5306-00-271-4789, 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18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-00-271-4789 |
| Item Name | Bolt,eye |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.515 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| Shank Unthreaded Hole Diameter | 0.066 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE IN |
| Shank Length | 2.953 INCHES MINIMUM AND 3.000 INCHES MAXIMUM IN |
| Style Designator | ROUND, CLOSED W/SHOULDER |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Shoulder Diameter | 0.688 INCHES NOMINAL IN |
| Shoulder Thickness | 0.094 INCHES NOMINAL IN |
| Distance From Threaded End to Shank Hole Center | 2.781 INCHES MINIMUM AND 2.812 INCHES MAXIMUM FIRST HOLE IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Eye Inside Diameter | 0.313 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Eye Stock Thickness | 0.183 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 24 |
| Thread Series Designator | UNF |
| Eye Outside Width | 0.688 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 |
|---|---|
| AN45-27 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-00-271-4789 is a Bolt,eye, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-00-271-4789: Surface Treatment Document and Classification: QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.515 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN; Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL; Shank Unthreaded Hole Diameter: 0.066 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE 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.