The Bolt,internally Relieved Body, cataloged under National Stock Number 5306-01-310-9241, 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14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Bolt,internally Relieved Body |
| FSC / FSG | 5306 — Bolts (FSG 53) |
| Parameter | Value |
|---|---|
| NSN | 5306-01-310-9241 |
| Item Name | Bolt,internally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.150 INCHES NOMINAL IN |
| Fastener Length | 1.050 INCHES NOMINAL IN |
| Concentric Hole Depth | 0.700 INCHES NOMINAL IN |
| Thread Length | 0.360 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.312 INCHES NOMINAL IN |
| Shoulder Diameter | 0.2497 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN |
| Concentric Hole Diameter | 0.150 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL OVERALL |
| Shoulder Length | 0.630 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 |
|---|---|
| 2431-294-4 | 3/9 Design control — primary reference Recon/optical, Inc. |
NSN 5306-01-310-9241 is a Bolt,internally Relieved Body, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-310-9241: Head Height: 0.150 INCHES NOMINAL IN; Fastener Length: 1.050 INCHES NOMINAL IN; Concentric Hole Depth: 0.700 INCHES NOMINAL IN; Thread Length: 0.360 INCHES NOMINAL 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.