The Bolt,eye, cataloged under National Stock Number 5306-01-081-3074, 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15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-081-3074 |
| Item Name | Bolt,eye |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Eye Stock Diameter | 0.281 INCHES MINIMUM IN |
| Eye Width | 0.438 INCHES MINIMUM IN |
| Surface Treatment Document and Classification | ASTM A153 ASSN STD SINGLE TREATMENT RESPONSE OR QQ-Z-325,TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 3.000 INCHES MINIMUM IN |
| Shank Length | 3.000 INCHES NOMINAL IN |
| Style Designator | OVAL, CLOSED |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Nondefinitive Spec/std Data | 4 CLASS |
| Surface Treatment | ZINC OVERALL |
| Eye Length | 0.938 INCHES MINIMUM IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| FF-T-791 | 4/1 Identification reference U.S. Government activity |
| MS27950-4 | 2/2 Government specification standardization U.S. Government activity |
NSN 5306-01-081-3074 is a Bolt,eye, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-081-3074: Eye Stock Diameter: 0.281 INCHES MINIMUM IN; Eye Width: 0.438 INCHES MINIMUM IN; Surface Treatment Document and Classification: ASTM A153 ASSN STD SINGLE TREATMENT RESPONSE OR QQ-Z-325,TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 3.000 INCHES MINIMUM IN. 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.