The Bolt,close Tolerance, cataloged under National Stock Number 5306-00-809-2447, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-809-2447 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES GRIP |
| Head Height | 0.020 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN |
| Fastener Length | 0.820 INCHES MINIMUM AND 0.840 INCHES MAXIMUM IN |
| Thread Length | 0.330 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.480 INCHES MINIMUM AND 0.490 INCHES MAXIMUM IN |
| Width Between Flats | 0.430 INCHES MINIMUM AND 0.480 INCHES MAXIMUM IN |
| Grip Diameter | 0.2490 INCHES MINIMUM AND 0.2493 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 303SE OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 324B268P001 | 5/9 Secondary reference General Electric Company |
| 324B268P001 | C/1 Advisory reference — outside the item-of-supply concept General Electric Company |
| 324B268P001 | 5/9 Secondary reference U.S. Government activity |
| 324B268P1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-00-809-2447 is a Bolt,close Tolerance, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-00-809-2447: Surface Finish: 63.0 MICROINCHES GRIP; Head Height: 0.020 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN; Fastener Length: 0.820 INCHES MINIMUM AND 0.840 INCHES MAXIMUM IN; Thread Length: 0.330 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN. 15 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.