The Bolt,internal Wrenching, cataloged under National Stock Number 5306-01-613-5824, 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17 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-613-5824 |
| Item Name | Bolt,internal Wrenching |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Width Across Flats | 0.3130 INCHES MINIMUM AND 0.3150 INCHES MAXIMUM IN |
| Head Height | 0.375 INCHES NOMINAL IN |
| Fastener Length | 4.585 INCHES MINIMUM AND 4.615 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS-QQ-P-416, TYPE II CLASS ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.662 INCHES NOMINAL IN |
| Hardness Rating | 34.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | BEVEL-CONICAL |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 81205-NAS-20006-52X PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Surface Treatment | CADMIUM OVERALL |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.3727 INCHES MINIMUM AND 0.3742 INCHES MAXIMUM 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 |
|---|---|
| NASM20006-52X | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-613-5824 is a Bolt,internal Wrenching, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-613-5824: Width Across Flats: 0.3130 INCHES MINIMUM AND 0.3150 INCHES MAXIMUM IN; Head Height: 0.375 INCHES NOMINAL IN; Fastener Length: 4.585 INCHES MINIMUM AND 4.615 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS-QQ-P-416, TYPE II CLASS ASSN STD SINGLE TREATMENT RESPONSE OVERALL. 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.