The Bolt,shoulder, cataloged under National Stock Number 5306-00-807-9223, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 25 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-00-807-9223 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Extended Washer Thickness | 0.168 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN |
| Head Height | 0.798 INCHES MINIMUM AND 0.818 INCHES MAXIMUM IN |
| Fastener Length | 8.930 INCHES MINIMUM AND 8.970 INCHES MAXIMUM IN |
| Shoulder Length | 5.310 INCHES NOMINAL FIRST SHOULDER IN |
| Surface Treatment Document and Classification | NAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 1.220 INCHES MINIMUM AND 1.230 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.748 INCHES MINIMUM AND 0.749 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 1.000 INCHES MINIMUM AND 1.150 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Hardness Rating | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| Hole Configuration Style | HEXAGON FLATS |
| Material Document and Classification | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 5TH MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.808 INCHES MINIMUM AND 0.817 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 180000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL |
| Hole Quantity | 2 |
| Thread Series Designator | UNF |
| Hole Type | DRILLED |
| Hole Diameter | 0.075 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 |
|---|---|
| 728420-3 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-00-807-9223 is a Bolt,shoulder, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-00-807-9223: Extended Washer Thickness: 0.168 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN; Head Height: 0.798 INCHES MINIMUM AND 0.818 INCHES MAXIMUM IN; Fastener Length: 8.930 INCHES MINIMUM AND 8.970 INCHES MAXIMUM IN; Shoulder Length: 5.310 INCHES NOMINAL FIRST SHOULDER IN. 25 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.