The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-01-226-5924, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corp. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-226-5924 |
| Primary Part Number | 863T0820245-001 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Lockheed Martin Corp |
| Status | ACTIVE |
| Head Height | 0.312 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN |
| Fastener Length | 1.774 INCHES NOMINAL IN |
| Thread Length | 0.780 INCHES NOMINAL IN |
| Material Document and Classification | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| First Diameter From Head | 0.6226 INCHES MINIMUM AND 0.6232 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of Second Diameter | 0.872 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.6250 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Second Diameter From Head | 0.553 INCHES NOMINAL IN |
| Width Between Flats | 0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.705 INCHES NOMINAL IN |
| Externally Relieved Body Diameter Quantity | 2 |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP 4340 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 863T0820245-001 PRIMARY | Lockheed Martin Corp (USA) |
| Reference | Meaning |
|---|---|
| NAS6610-12 | 5/1 Secondary reference U.S. Government activity |
NSN 5306-01-226-5924 is a Bolt,externally Relieved Body, manufactured by Lockheed Martin Corp, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-226-5924 has 1 manufacturer part number on file: 863T0820245-001 (Lockheed Martin Corp).
Key specifications for 863T0820245-001: Head Height: 0.312 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN; Fastener Length: 1.774 INCHES NOMINAL IN; Thread Length: 0.780 INCHES NOMINAL IN; Material Document and Classification: MIL-S-5000 MIL SPEC SINGLE MATERIAL 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.