The Bolt,eccentric Head, cataloged under National Stock Number 5306-01-021-8357, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-021-8357 |
| Item Name | Bolt,eccentric Head |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Fastener Length | 3.830 INCHES NOMINAL IN |
| Distance From Center of Head to Center of Shank | 2.105 INCHES NOMINAL IN |
| Material Document and Classification | MIL-S-5000,COND E1 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 4.060 INCHES NOMINAL FIRST HOLE 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 |
|---|---|
| 220-24526-105 | 3/2 Design control — primary reference U.S. Government activity |
| 220-24526-101 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-021-8357 is a Bolt,eccentric Head, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-021-8357: Fastener Length: 3.830 INCHES NOMINAL IN; Distance From Center of Head to Center of Shank: 2.105 INCHES NOMINAL IN; Material Document and Classification: MIL-S-5000,COND E1 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Nominal Thread Diameter: 0.500 INCHES IN. 9 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.