The Bolt,close Tolerance, cataloged under National Stock Number 5306-00-452-2857, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-452-2857 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.180 INCHES NOMINAL IN |
| Fastener Length | 0.580 INCHES NOMINAL IN |
| Thread Length | 0.240 INCHES MINIMUM IN |
| Hole Configuration Style | HEXAGON LONGITUDINAL HOLE |
| Material Document and Classification | S80B,FSCM K0289 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.250 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN |
| Width Between Flats | 0.336 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN |
| Grip Diameter | 0.1891 INCHES MINIMUM AND 0.1896 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Hole Quantity | 1 |
| Thread Series Designator | UNF |
| Hole Type | DRILLED |
| Hole Diameter | 0.062 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 |
|---|---|
| 99-6033667 | 6/9 Informative reference only U.S. Government activity |
| F335052 | 3/9 Design control — primary reference British Aerospace (military Aircraft & Aerostructures) |
| F334615 | 5/9 Secondary reference British Aerospace (military Aircraft & Aerostructures) |
| F335052 | C/1 Advisory reference — outside the item-of-supply concept Bae Systems (operations) Limited |
| F256757 | 5/9 Secondary reference British Aerospace (military Aircraft & Aerostructures) |
NSN 5306-00-452-2857 is a Bolt,close Tolerance, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-00-452-2857: Head Height: 0.180 INCHES NOMINAL IN; Fastener Length: 0.580 INCHES NOMINAL IN; Thread Length: 0.240 INCHES MINIMUM IN; Hole Configuration Style: HEXAGON LONGITUDINAL HOLE. 18 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.