The Bolt,ring, cataloged under National Stock Number 5306-01-379-8658, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-379-8658 |
| Item Name | Bolt,ring |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Ring Stock Diameter | 0.417 INCHES MINIMUM AND 0.457 INCHES MAXIMUM IN |
| Eye Stock Diameter | 1.375 INCHES MINIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416, TYPE 2, CLASS 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325, TYPE 2, CLASS 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| Thread Length | 0.764 INCHES MAXIMUM IN |
| Shank Length | 0.845 INCHES MINIMUM AND 0.905 INCHES MAXIMUM IN |
| Style Designator | SWIVEL |
| Material Document and Classification | NAS 498 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.562 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS1251 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Shoulder Diameter | 0.743 INCHES MINIMUM AND 0.748 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CARBON OR ZINC AND CHROMATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL OVERALL |
| Shoulder Length | 3.090 INCHES MINIMUM AND 4.010 INCHES MAXIMUM IN |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| NAS1251A10-64 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-379-8658 is a Bolt,ring, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-379-8658: Ring Stock Diameter: 0.417 INCHES MINIMUM AND 0.457 INCHES MAXIMUM IN; Eye Stock Diameter: 1.375 INCHES MINIMUM IN; Surface Treatment Document and Classification: QQ-P-416, TYPE 2, CLASS 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325, TYPE 2, CLASS 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL; Thread Length: 0.764 INCHES MAXIMUM IN. 17 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.