The Bolt,u, cataloged under National Stock Number 5306-01-049-0506, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-049-0506 |
| Item Name | Bolt,u |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Inside Distance Between Shanks | 3.560 INCHES MINIMUM AND 3.620 INCHES MAXIMUM IN |
| Thread Length | 2.000 INCHES MINIMUM AND 2.120 INCHES MAXIMUM IN |
| Hardness Rating | 240.0 BRINELL HULTGREN MINIMUM OVERALL |
| Distance From Inside Center of Bend to Bolt End | 6.190 INCHES MINIMUM AND 6.310 INCHES MAXIMUM IN |
| Style Designator | ROUND BEND |
| Nominal Thread Diameter | 0.562 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Minimum Tensile Strength | 120000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL 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 |
|---|---|
| 4036857 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-049-0506 is a Bolt,u, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-049-0506: Inside Distance Between Shanks: 3.560 INCHES MINIMUM AND 3.620 INCHES MAXIMUM IN; Thread Length: 2.000 INCHES MINIMUM AND 2.120 INCHES MAXIMUM IN; Hardness Rating: 240.0 BRINELL HULTGREN MINIMUM OVERALL; Distance From Inside Center of Bend to Bolt End: 6.190 INCHES MINIMUM AND 6.310 INCHES MAXIMUM IN. 12 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.