The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-616-8039, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Raytheon E-Systems, Inc. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-616-8039 |
| Primary Part Number | NAS6209-58 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Raytheon E-Systems, Inc |
| Status | ACTIVE |
| Head Height | 0.281 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN |
| Fastener Length | 4.219 INCHES NOMINAL IN |
| Thread Length | 0.594 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.562 INCHES IN |
| Head Style | DISHED HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 3.615 INCHES MINIMUM AND 3.635 INCHES MAXIMUM IN |
| Width Between Flats | 0.865 INCHES MINIMUM AND 0.877 INCHES MAXIMUM IN |
| Grip Diameter | 0.560 INCHES MINIMUM AND 0.561 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 8740 OVERALL |
| Material | PLASTIC POLYAMIDE NYLON LOCKING FEATURE |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| NAS6209-58 | Raytheon E-Systems, Inc (USA) |
| Reference | Meaning |
|---|---|
| NAS6209-58 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-616-8039 is a Bolt,close Tolerance, manufactured by Raytheon E-Systems, Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-616-8039 has 1 manufacturer part number on file: NAS6209-58 (Raytheon E-Systems, Inc).
Key specifications for NAS6209-58: Head Height: 0.281 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN; Fastener Length: 4.219 INCHES NOMINAL IN; Thread Length: 0.594 INCHES NOMINAL IN; Nominal Thread Diameter: 0.562 INCHES 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.