The Bolt,shoulder, cataloged under National Stock Number 5306-01-027-4064, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-027-4064 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.130 INCHES NOMINAL IN |
| Shoulder Length | 1.255 INCHES MINIMUM AND 1.265 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 1.250 INCHES NOMINAL FIRST SHOULDER IN |
| Thread Length | 0.650 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Shank Unthreaded Hole Diameter | 0.106 INCHES MINIMUM AND 0.116 INCHES MAXIMUM FIRST HOLE IN |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.687 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 630 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 2.047 INCHES MINIMUM AND 2.677 INCHES MAXIMUM FIRST HOLE IN |
| Head Diameter | 1.875 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 |
|---|---|
| 1214797-101 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-027-4064 is a Bolt,shoulder, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-027-4064: Head Height: 0.130 INCHES NOMINAL IN; Shoulder Length: 1.255 INCHES MINIMUM AND 1.265 INCHES MAXIMUM FIRST SHOULDER IN; Shoulder Diameter: 1.250 INCHES NOMINAL FIRST SHOULDER IN; Thread Length: 0.650 INCHES NOMINAL IN. 16 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.