The Bolt,machine, cataloged under National Stock Number 5306-01-141-8183, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 22 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-141-8183 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Extended Washer Thickness | 0.062 INCHES NOMINAL0.062 INCHES NOMINAL IN |
| Head Height | 0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN |
| Fastener Length | 0.688 INCHES NOMINAL0.688 INCHES NOMINAL IN |
| Extended Washer Diameter | 0.344 INCHES NOMINAL0.344 INCHES NOMINAL IN |
| Thread Length | 0.625 INCHES NOMINAL0.625 INCHES NOMINAL IN |
| Hardness Rating | 34.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL44.0 ROCKWELL C MAXIMUM OVERALL |
| Hole Configuration Style | HEXAGON LONGITUDINAL HOLEHEXAGON LONGITUDINAL HOLE |
| Nominal Thread Diameter | 0.190 INCHES0.190 INCHES IN |
| Features Provided | FINISHED HEADFINISHED HEAD |
| Head Style | DOUBLE HEXAGON W/HOLEDOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HANDRIGHT-HAND |
| Grip Length | 0.072 INCHES MINIMUM AND 0.072 INCHES MINIMUM AND 0.092 INCHES MAXIMUM0.092 INCHES MAXIMUM IN |
| Width Between Flats | 0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN |
| Minimum Tensile Strength | 175000 POUNDS PER SQUARE INCH175000 POUNDS PER SQUARE INCH LBS |
| Minimum Yield Strength | 115000 POUNDS PER SQUARE INCH115000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A3A |
| Thread Quantity Per Inch | 3232 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Hole Quantity | 44 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF)UNIFIED NATIONAL JOINT FINE (UNJF) |
| Hole Type | DRILLEDDRILLED |
| Hole Diameter | 0.042 INCHES MINIMUM AND 0.042 INCHES MINIMUM AND 0.052 INCHES MAXIMUM0.052 INCHES MAXIMUM 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 |
|---|---|
| MS9705-09 | 2/2 Government specification standardization U.S. Government activity |
NSN 5306-01-141-8183 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-141-8183: Extended Washer Thickness: 0.062 INCHES NOMINAL0.062 INCHES NOMINAL IN; Head Height: 0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN; Fastener Length: 0.688 INCHES NOMINAL0.688 INCHES NOMINAL IN; Extended Washer Diameter: 0.344 INCHES NOMINAL0.344 INCHES NOMINAL IN. 22 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.