The Bolt,u, cataloged under National Stock Number 5306-00-052-6318, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-00-052-6318 |
| Item Name | Bolt,u |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Inside Distance Between Shanks | 1.582 INCHES MINIMUM AND 1.642 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OR MIL-P-8585 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.970 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN |
| Distance From Inside Center of Bend to Bolt End | 1.746 INCHES MINIMUM AND 1.806 INCHES MAXIMUM IN |
| Style Designator | SQUARE BEND |
| Material Document and Classification | MIL-S-6758,COND D4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | CADMIUM OR PRIMER OVERALL |
| Minimum Tensile Strength | 90000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 4130 OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 205-060-830-1 | 3/2 Design control — primary reference U.S. Government activity |
| 205-060-830-001 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-00-052-6318 is a Bolt,u, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-00-052-6318: Inside Distance Between Shanks: 1.582 INCHES MINIMUM AND 1.642 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OR MIL-P-8585 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.970 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN; Distance From Inside Center of Bend to Bolt End: 1.746 INCHES MINIMUM AND 1.806 INCHES MAXIMUM IN. 14 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.