The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-014-3377, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-014-3377 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES GRIP |
| Fastener Length | 1.380 INCHES MINIMUM AND 1.420 INCHES MAXIMUM IN |
| Thread Length | 0.487 INCHES MINIMUM IN |
| Shank Unthreaded Hole Diameter | 0.067 INCHES NOMINAL FIRST HOLE IN |
| Material Document and Classification | S99,FSCM K0289 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.810 INCHES NOMINAL IN |
| Grip Diameter | 0.3791 INCHES MINIMUM AND 0.3796 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 1.200 INCHES NOMINAL FIRST HOLE 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 |
|---|---|
| A317980 | 3/9 Design control — primary reference British Aerospace (military Aircraft & Aerostructures) |
| A317980 | C/1 Advisory reference — outside the item-of-supply concept Bae Systems (operations) Limited |
NSN 5306-01-014-3377 is a Bolt,close Tolerance, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-014-3377: Surface Finish: 63.0 MICROINCHES GRIP; Fastener Length: 1.380 INCHES MINIMUM AND 1.420 INCHES MAXIMUM IN; Thread Length: 0.487 INCHES MINIMUM IN; Shank Unthreaded Hole Diameter: 0.067 INCHES NOMINAL FIRST HOLE IN. 14 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.