The Bolt,ring, cataloged under National Stock Number 5306-00-435-9178, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-00-435-9178 |
| Item Name | Bolt,ring |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Ring Stock Diameter | 0.312 INCHES NOMINAL IN |
| Ring Inside Diameter | 1.562 INCHES MINIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416 TY 2,CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| Thread Length | 1.000 INCHES NOMINAL IN |
| Shank Length | 1.000 INCHES NOMINAL IN |
| Style Designator | ROUND, CLOSED W/SHOULDER |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Shoulder Thickness | 0.156 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Eye Inside Diameter | 0.312 INCHES NOMINAL IN |
| Eye Stock Thickness | 0.375 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP 4130 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Eye Outside Width | 0.750 INCHES NOMINAL 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 |
|---|---|
| B25983P3 | 3/9 Design control — primary reference C Systems Llc Dba Craig Systems Dba Eastern Technologies |
NSN 5306-00-435-9178 is a Bolt,ring, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-00-435-9178: Ring Stock Diameter: 0.312 INCHES NOMINAL IN; Ring Inside Diameter: 1.562 INCHES MINIMUM IN; Surface Treatment Document and Classification: QQ-P-416 TY 2,CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL; Thread Length: 1.000 INCHES NOMINAL IN. 18 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.