The Bolt,ring, cataloged under National Stock Number 5306-01-500-6604, 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15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-500-6604 |
| 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 MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TYPE 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| Thread Length | 0.845 INCHES MINIMUM AND 0.905 INCHES MAXIMUM IN |
| Shank Length | 0.875 INCHES NOMINAL IN |
| Style Designator | SWIVEL |
| Nominal Thread Diameter | 0.562 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Shoulder Diameter | 0.743 INCHES MINIMUM AND 0.748 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP 4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OR STEEL COMP 4140 OVERALL |
| Shoulder Length | 0.625 INCHES NOMINAL 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 |
|---|---|
| NAS1251 | 3/1 Design control — primary reference U.S. Government activity |
| NAS1251A10-10 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-500-6604 is a Bolt,ring, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-500-6604: Ring Stock Diameter: 0.417 INCHES MINIMUM AND 0.457 INCHES MAXIMUM IN; Eye Stock Diameter: 1.375 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TYPE 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL; Thread Length: 0.845 INCHES MINIMUM AND 0.905 INCHES MAXIMUM 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.