The Bolt,eye, cataloged under National Stock Number 5306-01-266-0278, 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15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-266-0278 |
| Item Name | Bolt,eye |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Eye Stock Diameter | 0.440 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Thread Length | 0.120 INCHES MINIMUM IN |
| Shank Length | 1.500 INCHES MINIMUM AND 1.620 INCHES MAXIMUM IN |
| Criticality Code Justification | ZZZY |
| Style Designator | ROUND, CLOSED |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Distance From Center of Eye to Shank End | 2.620 INCHES NOMINAL IN |
| Surface Treatment | CHROMIUM OVERALL |
| Eye Inside Diameter | 1.120 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 13 |
| Material | STEEL OVERALL |
| Thread Series Designator | UN |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | C |
| Reference | Meaning |
|---|---|
| 100A160PC4CHROMIUM PLATED | 3/1 Design control — primary reference Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd |
| 100A160IT4CHROMIUM PLATED | 5/1 Secondary reference Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd |
NSN 5306-01-266-0278 is a Bolt,eye, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-266-0278: Eye Stock Diameter: 0.440 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN; Thread Length: 0.120 INCHES MINIMUM IN; Shank Length: 1.500 INCHES MINIMUM AND 1.620 INCHES MAXIMUM IN; Criticality Code Justification: ZZZY. 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.